18795470800

素因数分解:

$2^4\times 5^2\times {\mathrm{113}}^1\times {\mathrm{631}}^1\times {\mathrm{659}}^1$

素因数の和:1421

約数の個数: 120

約数和(自身を含む): 45697164480

約数和(自身を除く): 26901693680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 113, 200, 226, 400, 452, 565, 631, 659, 904, 1130, 1262, 1318, 1808, 2260, 2524, 2636, 2825, 3155, 3295, 4520, 5048, 5272, 5650, 6310, 6590, 9040, 10096, 10544, 11300, 12620, 13180, 15775, 16475, 22600, 25240, 26360, 31550, 32950, 45200, 50480, 52720, 63100, 65900, 71303, 74467, 126200, 131800, 142606, 148934, 252400, 263600, 285212, 297868, 356515, 372335, 415829, 570424, 595736, 713030, 744670, 831658, 1140848, 1191472, 1426060, 1489340, 1663316, 1782575, 1861675, 2079145, 2852120, 2978680, 3326632, 3565150, 3723350, 4158290, 5704240, 5957360, 6653264, 7130300, 7446700, 8316580, 10395725, 14260600, 14893400, 16633160, 20791450, 28521200, 29786800, 33266320, 41582900, 46988677, 83165800, 93977354, 166331600, 187954708, 234943385, 375909416, 469886770, 751818832, 939773540, 1174716925, 1879547080, 2349433850, 3759094160, 4698867700, 9397735400, 18795470800]

約数ペア:

[(1, 18795470800), (2, 9397735400), (4, 4698867700), (5, 3759094160), (8, 2349433850), (10, 1879547080), (16, 1174716925), (20, 939773540), (25, 751818832), (40, 469886770), (50, 375909416), (80, 234943385), (100, 187954708), (113, 166331600), (200, 93977354), (226, 83165800), (400, 46988677), (452, 41582900), (565, 33266320), (631, 29786800), (659, 28521200), (904, 20791450), (1130, 16633160), (1262, 14893400), (1318, 14260600), (1808, 10395725), (2260, 8316580), (2524, 7446700), (2636, 7130300), (2825, 6653264), (3155, 5957360), (3295, 5704240), (4520, 4158290), (5048, 3723350), (5272, 3565150), (5650, 3326632), (6310, 2978680), (6590, 2852120), (9040, 2079145), (10096, 1861675), (10544, 1782575), (11300, 1663316), (12620, 1489340), (13180, 1426060), (15775, 1191472), (16475, 1140848), (22600, 831658), (25240, 744670), (26360, 713030), (31550, 595736), (32950, 570424), (45200, 415829), (50480, 372335), (52720, 356515), (63100, 297868), (65900, 285212), (71303, 263600), (74467, 252400), (126200, 148934), (131800, 142606)]