128839233940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1\times {\mathrm{359}}^1\times {\mathrm{1627}}^1$

素因数の和:2305

約数の個数: 96

約数和(自身を含む): 279138182400

約数和(自身を除く): 150298948460

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 269, 359, 410, 538, 718, 820, 1076, 1345, 1436, 1627, 1795, 2690, 3254, 3590, 5380, 6508, 7180, 8135, 11029, 14719, 16270, 22058, 29438, 32540, 44116, 55145, 58876, 66707, 73595, 96571, 110290, 133414, 147190, 193142, 220580, 266828, 294380, 333535, 386284, 437663, 482855, 584093, 667070, 875326, 965710, 1168186, 1334140, 1750652, 1931420, 2188315, 2336372, 2920465, 3959411, 4376630, 5840930, 7918822, 8753260, 11681860, 15837644, 17944183, 19797055, 23947813, 35888366, 39594110, 47895626, 71776732, 79188220, 89720915, 95791252, 119739065, 157121017, 179441830, 239478130, 314242034, 358883660, 478956260, 628484068, 785605085, 1571210170, 3142420340, 6441961697, 12883923394, 25767846788, 32209808485, 64419616970, 128839233940]

約数ペア:

[(1, 128839233940), (2, 64419616970), (4, 32209808485), (5, 25767846788), (10, 12883923394), (20, 6441961697), (41, 3142420340), (82, 1571210170), (164, 785605085), (205, 628484068), (269, 478956260), (359, 358883660), (410, 314242034), (538, 239478130), (718, 179441830), (820, 157121017), (1076, 119739065), (1345, 95791252), (1436, 89720915), (1627, 79188220), (1795, 71776732), (2690, 47895626), (3254, 39594110), (3590, 35888366), (5380, 23947813), (6508, 19797055), (7180, 17944183), (8135, 15837644), (11029, 11681860), (14719, 8753260), (16270, 7918822), (22058, 5840930), (29438, 4376630), (32540, 3959411), (44116, 2920465), (55145, 2336372), (58876, 2188315), (66707, 1931420), (73595, 1750652), (96571, 1334140), (110290, 1168186), (133414, 965710), (147190, 875326), (193142, 667070), (220580, 584093), (266828, 482855), (294380, 437663), (333535, 386284)]