425724680

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{677}}^1$

素因数の和:966

約数の個数: 64

約数和(自身を含む): 976320000

約数和(自身を除く): 550595320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 199, 316, 395, 398, 632, 677, 790, 796, 995, 1354, 1580, 1592, 1990, 2708, 3160, 3385, 3980, 5416, 6770, 7960, 13540, 15721, 27080, 31442, 53483, 62884, 78605, 106966, 125768, 134723, 157210, 213932, 267415, 269446, 314420, 427864, 534830, 538892, 628840, 673615, 1069660, 1077784, 1347230, 2139320, 2694460, 5388920, 10643117, 21286234, 42572468, 53215585, 85144936, 106431170, 212862340, 425724680]

約数ペア:

[(1, 425724680), (2, 212862340), (4, 106431170), (5, 85144936), (8, 53215585), (10, 42572468), (20, 21286234), (40, 10643117), (79, 5388920), (158, 2694460), (199, 2139320), (316, 1347230), (395, 1077784), (398, 1069660), (632, 673615), (677, 628840), (790, 538892), (796, 534830), (995, 427864), (1354, 314420), (1580, 269446), (1592, 267415), (1990, 213932), (2708, 157210), (3160, 134723), (3385, 125768), (3980, 106966), (5416, 78605), (6770, 62884), (7960, 53483), (13540, 31442), (15721, 27080)]