251285870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2129}}^1$

素因数の和:2213

約数の個数: 64

約数和(自身を含む): 524491200

約数和(自身を除く): 273205330

約数列:

[1, 2, 5, 10, 11, 22, 29, 37, 55, 58, 74, 110, 145, 185, 290, 319, 370, 407, 638, 814, 1073, 1595, 2035, 2129, 2146, 3190, 4070, 4258, 5365, 10645, 10730, 11803, 21290, 23419, 23606, 46838, 59015, 61741, 78773, 117095, 118030, 123482, 157546, 234190, 308705, 393865, 617410, 679151, 787730, 866503, 1358302, 1733006, 2284417, 3395755, 4332515, 4568834, 6791510, 8665030, 11422085, 22844170, 25128587, 50257174, 125642935, 251285870]

約数ペア:

[(1, 251285870), (2, 125642935), (5, 50257174), (10, 25128587), (11, 22844170), (22, 11422085), (29, 8665030), (37, 6791510), (55, 4568834), (58, 4332515), (74, 3395755), (110, 2284417), (145, 1733006), (185, 1358302), (290, 866503), (319, 787730), (370, 679151), (407, 617410), (638, 393865), (814, 308705), (1073, 234190), (1595, 157546), (2035, 123482), (2129, 118030), (2146, 117095), (3190, 78773), (4070, 61741), (4258, 59015), (5365, 46838), (10645, 23606), (10730, 23419), (11803, 21290)]