251450680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{6121}}^1$

素因数の和:6224

約数の個数: 64

約数和(自身を含む): 617097600

約数和(自身を除く): 365646920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 632, 790, 1027, 1580, 2054, 3160, 4108, 5135, 6121, 8216, 10270, 12242, 20540, 24484, 30605, 41080, 48968, 61210, 79573, 122420, 159146, 244840, 318292, 397865, 483559, 636584, 795730, 967118, 1591460, 1934236, 2417795, 3182920, 3868472, 4835590, 6286267, 9671180, 12572534, 19342360, 25145068, 31431335, 50290136, 62862670, 125725340, 251450680]

約数ペア:

[(1, 251450680), (2, 125725340), (4, 62862670), (5, 50290136), (8, 31431335), (10, 25145068), (13, 19342360), (20, 12572534), (26, 9671180), (40, 6286267), (52, 4835590), (65, 3868472), (79, 3182920), (104, 2417795), (130, 1934236), (158, 1591460), (260, 967118), (316, 795730), (395, 636584), (520, 483559), (632, 397865), (790, 318292), (1027, 244840), (1580, 159146), (2054, 122420), (3160, 79573), (4108, 61210), (5135, 48968), (6121, 41080), (8216, 30605), (10270, 24484), (12242, 20540)]