34551620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 74661888

約数和(自身を除く): 40110268

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 127, 223, 244, 254, 305, 446, 508, 610, 635, 892, 1115, 1220, 1270, 2230, 2540, 4460, 7747, 13603, 15494, 27206, 28321, 30988, 38735, 54412, 56642, 68015, 77470, 113284, 136030, 141605, 154940, 272060, 283210, 566420, 1727581, 3455162, 6910324, 8637905, 17275810, 34551620]

約数ペア:

[(1, 34551620), (2, 17275810), (4, 8637905), (5, 6910324), (10, 3455162), (20, 1727581), (61, 566420), (122, 283210), (127, 272060), (223, 154940), (244, 141605), (254, 136030), (305, 113284), (446, 77470), (508, 68015), (610, 56642), (635, 54412), (892, 38735), (1115, 30988), (1220, 28321), (1270, 27206), (2230, 15494), (2540, 13603), (4460, 7747)]