209225996920

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1223}}^1\times {\mathrm{6977}}^1$

素因数の和:8824

約数の個数: 64

約数和(自身を含む): 471979638720

約数和(自身を除く): 262753641800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1223, 1226, 2446, 2452, 3065, 4892, 4904, 6115, 6130, 6977, 9784, 12230, 12260, 13954, 24460, 24520, 27908, 34885, 48920, 55816, 69770, 139540, 279080, 749699, 1499398, 2998796, 3748495, 4276901, 5997592, 7496990, 8532871, 8553802, 14993980, 17065742, 17107604, 21384505, 29987960, 34131484, 34215208, 42664355, 42769010, 68262968, 85328710, 85538020, 170657420, 171076040, 341314840, 5230649923, 10461299846, 20922599692, 26153249615, 41845199384, 52306499230, 104612998460, 209225996920]

約数ペア:

[(1, 209225996920), (2, 104612998460), (4, 52306499230), (5, 41845199384), (8, 26153249615), (10, 20922599692), (20, 10461299846), (40, 5230649923), (613, 341314840), (1223, 171076040), (1226, 170657420), (2446, 85538020), (2452, 85328710), (3065, 68262968), (4892, 42769010), (4904, 42664355), (6115, 34215208), (6130, 34131484), (6977, 29987960), (9784, 21384505), (12230, 17107604), (12260, 17065742), (13954, 14993980), (24460, 8553802), (24520, 8532871), (27908, 7496990), (34885, 5997592), (48920, 4276901), (55816, 3748495), (69770, 2998796), (139540, 1499398), (279080, 749699)]