388838580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1237}}^1$

素因数の和:1306

約数の個数: 144

約数和(自身を含む): 1217954304

約数和(自身を除く): 829115724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 169, 186, 195, 260, 310, 338, 372, 390, 403, 465, 507, 620, 676, 780, 806, 845, 930, 1014, 1209, 1237, 1612, 1690, 1860, 2015, 2028, 2418, 2474, 2535, 3380, 3711, 4030, 4836, 4948, 5070, 5239, 6045, 6185, 7422, 8060, 10140, 10478, 12090, 12370, 14844, 15717, 16081, 18555, 20956, 24180, 24740, 26195, 31434, 32162, 37110, 38347, 48243, 52390, 62868, 64324, 74220, 76694, 78585, 80405, 96486, 104780, 115041, 153388, 157170, 160810, 191735, 192972, 209053, 230082, 241215, 314340, 321620, 383470, 418106, 460164, 482430, 498511, 575205, 627159, 766940, 836212, 964860, 997022, 1045265, 1150410, 1254318, 1495533, 1994044, 2090530, 2300820, 2492555, 2508636, 2991066, 3135795, 4181060, 4985110, 5982132, 6271590, 6480643, 7477665, 9970220, 12543180, 12961286, 14955330, 19441929, 25922572, 29910660, 32403215, 38883858, 64806430, 77767716, 97209645, 129612860, 194419290, 388838580]

約数ペア:

[(1, 388838580), (2, 194419290), (3, 129612860), (4, 97209645), (5, 77767716), (6, 64806430), (10, 38883858), (12, 32403215), (13, 29910660), (15, 25922572), (20, 19441929), (26, 14955330), (30, 12961286), (31, 12543180), (39, 9970220), (52, 7477665), (60, 6480643), (62, 6271590), (65, 5982132), (78, 4985110), (93, 4181060), (124, 3135795), (130, 2991066), (155, 2508636), (156, 2492555), (169, 2300820), (186, 2090530), (195, 1994044), (260, 1495533), (310, 1254318), (338, 1150410), (372, 1045265), (390, 997022), (403, 964860), (465, 836212), (507, 766940), (620, 627159), (676, 575205), (780, 498511), (806, 482430), (845, 460164), (930, 418106), (1014, 383470), (1209, 321620), (1237, 314340), (1612, 241215), (1690, 230082), (1860, 209053), (2015, 192972), (2028, 191735), (2418, 160810), (2474, 157170), (2535, 153388), (3380, 115041), (3711, 104780), (4030, 96486), (4836, 80405), (4948, 78585), (5070, 76694), (5239, 74220), (6045, 64324), (6185, 62868), (7422, 52390), (8060, 48243), (10140, 38347), (10478, 37110), (12090, 32162), (12370, 31434), (14844, 26195), (15717, 24740), (16081, 24180), (18555, 20956)]