400895820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 288

約数和(自身を含む): 1408942080

約数和(自身を除く): 1008046260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 71, 76, 78, 90, 95, 114, 117, 127, 130, 142, 156, 171, 180, 190, 195, 213, 228, 234, 247, 254, 260, 284, 285, 342, 355, 380, 381, 390, 426, 468, 494, 508, 570, 585, 635, 639, 684, 710, 741, 762, 780, 852, 855, 923, 988, 1065, 1140, 1143, 1170, 1235, 1270, 1278, 1349, 1420, 1482, 1524, 1651, 1710, 1846, 1905, 2130, 2223, 2286, 2340, 2413, 2470, 2540, 2556, 2698, 2769, 2964, 3195, 3302, 3420, 3692, 3705, 3810, 4047, 4260, 4446, 4572, 4615, 4826, 4940, 4953, 5396, 5538, 5715, 6390, 6604, 6745, 7239, 7410, 7620, 8094, 8255, 8307, 8892, 9017, 9230, 9652, 9906, 11076, 11115, 11430, 12065, 12141, 12780, 13490, 13845, 14478, 14820, 14859, 16188, 16510, 16614, 17537, 18034, 18460, 19812, 20235, 21717, 22230, 22860, 24130, 24282, 24765, 26980, 27051, 27690, 28956, 29718, 31369, 33020, 33228, 35074, 36068, 36195, 40470, 41535, 43434, 44460, 45085, 48260, 48564, 49530, 52611, 54102, 55380, 59436, 60705, 62738, 70148, 72390, 74295, 80940, 81153, 83070, 86868, 87685, 90170, 94107, 99060, 105222, 108204, 108585, 117221, 121410, 125476, 135255, 144780, 148590, 156845, 157833, 162306, 166140, 171323, 175370, 180340, 188214, 210444, 217170, 234442, 242820, 263055, 270510, 282321, 297180, 313690, 315666, 324612, 342646, 350740, 351663, 376428, 405765, 434340, 468884, 470535, 513969, 526110, 541020, 564642, 586105, 627380, 631332, 685292, 703326, 789165, 811530, 856615, 941070, 1027938, 1052220, 1054989, 1129284, 1172210, 1406652, 1411605, 1541907, 1578330, 1623060, 1713230, 1758315, 1882140, 2055876, 2109978, 2227199, 2344420, 2569845, 2823210, 3083814, 3156660, 3426460, 3516630, 4219956, 4454398, 5139690, 5274945, 5646420, 6167628, 6681597, 7033260, 7709535, 8908796, 10279380, 10549890, 11135995, 13363194, 15419070, 20044791, 21099780, 22271990, 26726388, 30838140, 33407985, 40089582, 44543980, 66815970, 80179164, 100223955, 133631940, 200447910, 400895820]

約数ペア:

[(1, 400895820), (2, 200447910), (3, 133631940), (4, 100223955), (5, 80179164), (6, 66815970), (9, 44543980), (10, 40089582), (12, 33407985), (13, 30838140), (15, 26726388), (18, 22271990), (19, 21099780), (20, 20044791), (26, 15419070), (30, 13363194), (36, 11135995), (38, 10549890), (39, 10279380), (45, 8908796), (52, 7709535), (57, 7033260), (60, 6681597), (65, 6167628), (71, 5646420), (76, 5274945), (78, 5139690), (90, 4454398), (95, 4219956), (114, 3516630), (117, 3426460), (127, 3156660), (130, 3083814), (142, 2823210), (156, 2569845), (171, 2344420), (180, 2227199), (190, 2109978), (195, 2055876), (213, 1882140), (228, 1758315), (234, 1713230), (247, 1623060), (254, 1578330), (260, 1541907), (284, 1411605), (285, 1406652), (342, 1172210), (355, 1129284), (380, 1054989), (381, 1052220), (390, 1027938), (426, 941070), (468, 856615), (494, 811530), (508, 789165), (570, 703326), (585, 685292), (635, 631332), (639, 627380), (684, 586105), (710, 564642), (741, 541020), (762, 526110), (780, 513969), (852, 470535), (855, 468884), (923, 434340), (988, 405765), (1065, 376428), (1140, 351663), (1143, 350740), (1170, 342646), (1235, 324612), (1270, 315666), (1278, 313690), (1349, 297180), (1420, 282321), (1482, 270510), (1524, 263055), (1651, 242820), (1710, 234442), (1846, 217170), (1905, 210444), (2130, 188214), (2223, 180340), (2286, 175370), (2340, 171323), (2413, 166140), (2470, 162306), (2540, 157833), (2556, 156845), (2698, 148590), (2769, 144780), (2964, 135255), (3195, 125476), (3302, 121410), (3420, 117221), (3692, 108585), (3705, 108204), (3810, 105222), (4047, 99060), (4260, 94107), (4446, 90170), (4572, 87685), (4615, 86868), (4826, 83070), (4940, 81153), (4953, 80940), (5396, 74295), (5538, 72390), (5715, 70148), (6390, 62738), (6604, 60705), (6745, 59436), (7239, 55380), (7410, 54102), (7620, 52611), (8094, 49530), (8255, 48564), (8307, 48260), (8892, 45085), (9017, 44460), (9230, 43434), (9652, 41535), (9906, 40470), (11076, 36195), (11115, 36068), (11430, 35074), (12065, 33228), (12141, 33020), (12780, 31369), (13490, 29718), (13845, 28956), (14478, 27690), (14820, 27051), (14859, 26980), (16188, 24765), (16510, 24282), (16614, 24130), (17537, 22860), (18034, 22230), (18460, 21717), (19812, 20235)]