398450520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4481}}^1$

素因数の和:4530

約数の個数: 192

約数和(自身を含む): 1468303200

約数和(自身を除く): 1069852680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 52, 57, 60, 65, 72, 76, 78, 90, 95, 104, 114, 117, 120, 130, 152, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 312, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 684, 741, 760, 780, 855, 936, 988, 1140, 1170, 1235, 1368, 1482, 1560, 1710, 1976, 2223, 2280, 2340, 2470, 2964, 3420, 3705, 4446, 4481, 4680, 4940, 5928, 6840, 7410, 8892, 8962, 9880, 11115, 13443, 14820, 17784, 17924, 22230, 22405, 26886, 29640, 35848, 40329, 44460, 44810, 53772, 58253, 67215, 80658, 85139, 88920, 89620, 107544, 116506, 134430, 161316, 170278, 174759, 179240, 201645, 233012, 255417, 268860, 291265, 322632, 340556, 349518, 403290, 425695, 466024, 510834, 524277, 537720, 582530, 681112, 699036, 766251, 806580, 851390, 873795, 1021668, 1048554, 1106807, 1165060, 1277085, 1398072, 1532502, 1613160, 1702780, 1747590, 2043336, 2097108, 2213614, 2330120, 2554170, 2621385, 3065004, 3320421, 3405560, 3495180, 3831255, 4194216, 4427228, 5108340, 5242770, 5534035, 6130008, 6640842, 6990360, 7662510, 8854456, 9961263, 10216680, 10485540, 11068070, 13281684, 15325020, 16602105, 19922526, 20971080, 22136140, 26563368, 30650040, 33204210, 39845052, 44272280, 49806315, 66408420, 79690104, 99612630, 132816840, 199225260, 398450520]

約数ペア:

[(1, 398450520), (2, 199225260), (3, 132816840), (4, 99612630), (5, 79690104), (6, 66408420), (8, 49806315), (9, 44272280), (10, 39845052), (12, 33204210), (13, 30650040), (15, 26563368), (18, 22136140), (19, 20971080), (20, 19922526), (24, 16602105), (26, 15325020), (30, 13281684), (36, 11068070), (38, 10485540), (39, 10216680), (40, 9961263), (45, 8854456), (52, 7662510), (57, 6990360), (60, 6640842), (65, 6130008), (72, 5534035), (76, 5242770), (78, 5108340), (90, 4427228), (95, 4194216), (104, 3831255), (114, 3495180), (117, 3405560), (120, 3320421), (130, 3065004), (152, 2621385), (156, 2554170), (171, 2330120), (180, 2213614), (190, 2097108), (195, 2043336), (228, 1747590), (234, 1702780), (247, 1613160), (260, 1532502), (285, 1398072), (312, 1277085), (342, 1165060), (360, 1106807), (380, 1048554), (390, 1021668), (456, 873795), (468, 851390), (494, 806580), (520, 766251), (570, 699036), (585, 681112), (684, 582530), (741, 537720), (760, 524277), (780, 510834), (855, 466024), (936, 425695), (988, 403290), (1140, 349518), (1170, 340556), (1235, 322632), (1368, 291265), (1482, 268860), (1560, 255417), (1710, 233012), (1976, 201645), (2223, 179240), (2280, 174759), (2340, 170278), (2470, 161316), (2964, 134430), (3420, 116506), (3705, 107544), (4446, 89620), (4481, 88920), (4680, 85139), (4940, 80658), (5928, 67215), (6840, 58253), (7410, 53772), (8892, 44810), (8962, 44460), (9880, 40329), (11115, 35848), (13443, 29640), (14820, 26886), (17784, 22405), (17924, 22230)]