201585220

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1\times {\mathrm{467}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 430230528

約数和(自身を除く): 228645308

約数列:

[1, 2, 4, 5, 10, 20, 113, 191, 226, 382, 452, 467, 565, 764, 934, 955, 1130, 1868, 1910, 2260, 2335, 3820, 4670, 9340, 21583, 43166, 52771, 86332, 89197, 105542, 107915, 178394, 211084, 215830, 263855, 356788, 431660, 445985, 527710, 891970, 1055420, 1783940, 10079261, 20158522, 40317044, 50396305, 100792610, 201585220]

約数ペア:

[(1, 201585220), (2, 100792610), (4, 50396305), (5, 40317044), (10, 20158522), (20, 10079261), (113, 1783940), (191, 1055420), (226, 891970), (382, 527710), (452, 445985), (467, 431660), (565, 356788), (764, 263855), (934, 215830), (955, 211084), (1130, 178394), (1868, 107915), (1910, 105542), (2260, 89197), (2335, 86332), (3820, 52771), (4670, 43166), (9340, 21583)]