387228896440

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3659}}^1\times {\mathrm{12539}}^1$

素因数の和:16420

約数の個数: 64

約数和(自身を含む): 875703312000

約数和(自身を除く): 488474415560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 3659, 4220, 7318, 8440, 12539, 14636, 18295, 25078, 29272, 36590, 50156, 62695, 73180, 100312, 125390, 146360, 250780, 501560, 772049, 1544098, 2645729, 3088196, 3860245, 5291458, 6176392, 7720490, 10582916, 13228645, 15440980, 21165832, 26457290, 30881960, 45880201, 52914580, 91760402, 105829160, 183520804, 229401005, 367041608, 458802010, 917604020, 1835208040, 9680722411, 19361444822, 38722889644, 48403612055, 77445779288, 96807224110, 193614448220, 387228896440]

約数ペア:

[(1, 387228896440), (2, 193614448220), (4, 96807224110), (5, 77445779288), (8, 48403612055), (10, 38722889644), (20, 19361444822), (40, 9680722411), (211, 1835208040), (422, 917604020), (844, 458802010), (1055, 367041608), (1688, 229401005), (2110, 183520804), (3659, 105829160), (4220, 91760402), (7318, 52914580), (8440, 45880201), (12539, 30881960), (14636, 26457290), (18295, 21165832), (25078, 15440980), (29272, 13228645), (36590, 10582916), (50156, 7720490), (62695, 6176392), (73180, 5291458), (100312, 3860245), (125390, 3088196), (146360, 2645729), (250780, 1544098), (501560, 772049)]