61911340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1637}}^1$

素因数の和:1738

約数の個数: 48

約数和(自身を含む): 136491264

約数和(自身を除く): 74579924

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 1220, 1637, 1891, 3274, 3782, 6548, 7564, 8185, 9455, 16370, 18910, 32740, 37820, 50747, 99857, 101494, 199714, 202988, 253735, 399428, 499285, 507470, 998570, 1014940, 1997140, 3095567, 6191134, 12382268, 15477835, 30955670, 61911340]

約数ペア:

[(1, 61911340), (2, 30955670), (4, 15477835), (5, 12382268), (10, 6191134), (20, 3095567), (31, 1997140), (61, 1014940), (62, 998570), (122, 507470), (124, 499285), (155, 399428), (244, 253735), (305, 202988), (310, 199714), (610, 101494), (620, 99857), (1220, 50747), (1637, 37820), (1891, 32740), (3274, 18910), (3782, 16370), (6548, 9455), (7564, 8185)]