208472940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:574

約数の個数: 240

約数和(自身を含む): 742785120

約数和(自身を除く): 534312180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 27, 30, 36, 38, 39, 45, 52, 54, 57, 60, 65, 76, 78, 81, 90, 95, 108, 114, 117, 130, 135, 156, 162, 171, 180, 190, 195, 228, 234, 247, 260, 270, 285, 324, 342, 351, 380, 390, 405, 468, 494, 513, 521, 540, 570, 585, 684, 702, 741, 780, 810, 855, 988, 1026, 1042, 1053, 1140, 1170, 1235, 1404, 1482, 1539, 1563, 1620, 1710, 1755, 2052, 2084, 2106, 2223, 2340, 2470, 2565, 2605, 2964, 3078, 3126, 3420, 3510, 3705, 4212, 4446, 4689, 4940, 5130, 5210, 5265, 6156, 6252, 6669, 6773, 7020, 7410, 7695, 7815, 8892, 9378, 9899, 10260, 10420, 10530, 11115, 13338, 13546, 14067, 14820, 15390, 15630, 18756, 19798, 20007, 20319, 21060, 22230, 23445, 26676, 27092, 28134, 29697, 30780, 31260, 33345, 33865, 39596, 40014, 40638, 42201, 44460, 46890, 49495, 56268, 59394, 60957, 66690, 67730, 70335, 80028, 81276, 84402, 89091, 93780, 98990, 100035, 101595, 118788, 121914, 128687, 133380, 135460, 140670, 148485, 168804, 178182, 182871, 197980, 200070, 203190, 211005, 243828, 257374, 267273, 281340, 296970, 304785, 356364, 365742, 386061, 400140, 406380, 422010, 445455, 514748, 534546, 548613, 593940, 609570, 643435, 731484, 772122, 801819, 844020, 890910, 914355, 1069092, 1097226, 1158183, 1219140, 1286870, 1336365, 1544244, 1603638, 1781820, 1828710, 1930305, 2194452, 2316366, 2573740, 2672730, 2743065, 3207276, 3474549, 3657420, 3860610, 4009095, 4632732, 5345460, 5486130, 5790915, 6949098, 7721220, 8018190, 10423647, 10972260, 11581830, 13898196, 16036380, 17372745, 20847294, 23163660, 34745490, 41694588, 52118235, 69490980, 104236470, 208472940]

約数ペア:

[(1, 208472940), (2, 104236470), (3, 69490980), (4, 52118235), (5, 41694588), (6, 34745490), (9, 23163660), (10, 20847294), (12, 17372745), (13, 16036380), (15, 13898196), (18, 11581830), (19, 10972260), (20, 10423647), (26, 8018190), (27, 7721220), (30, 6949098), (36, 5790915), (38, 5486130), (39, 5345460), (45, 4632732), (52, 4009095), (54, 3860610), (57, 3657420), (60, 3474549), (65, 3207276), (76, 2743065), (78, 2672730), (81, 2573740), (90, 2316366), (95, 2194452), (108, 1930305), (114, 1828710), (117, 1781820), (130, 1603638), (135, 1544244), (156, 1336365), (162, 1286870), (171, 1219140), (180, 1158183), (190, 1097226), (195, 1069092), (228, 914355), (234, 890910), (247, 844020), (260, 801819), (270, 772122), (285, 731484), (324, 643435), (342, 609570), (351, 593940), (380, 548613), (390, 534546), (405, 514748), (468, 445455), (494, 422010), (513, 406380), (521, 400140), (540, 386061), (570, 365742), (585, 356364), (684, 304785), (702, 296970), (741, 281340), (780, 267273), (810, 257374), (855, 243828), (988, 211005), (1026, 203190), (1042, 200070), (1053, 197980), (1140, 182871), (1170, 178182), (1235, 168804), (1404, 148485), (1482, 140670), (1539, 135460), (1563, 133380), (1620, 128687), (1710, 121914), (1755, 118788), (2052, 101595), (2084, 100035), (2106, 98990), (2223, 93780), (2340, 89091), (2470, 84402), (2565, 81276), (2605, 80028), (2964, 70335), (3078, 67730), (3126, 66690), (3420, 60957), (3510, 59394), (3705, 56268), (4212, 49495), (4446, 46890), (4689, 44460), (4940, 42201), (5130, 40638), (5210, 40014), (5265, 39596), (6156, 33865), (6252, 33345), (6669, 31260), (6773, 30780), (7020, 29697), (7410, 28134), (7695, 27092), (7815, 26676), (8892, 23445), (9378, 22230), (9899, 21060), (10260, 20319), (10420, 20007), (10530, 19798), (11115, 18756), (13338, 15630), (13546, 15390), (14067, 14820)]