30968980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31601}}^1$

素因数の和:31624

約数の個数: 36

約数和(自身を含む): 75655188

約数和(自身を除く): 44686208

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 31601, 63202, 126404, 158005, 221207, 316010, 442414, 632020, 884828, 1106035, 1548449, 2212070, 3096898, 4424140, 6193796, 7742245, 15484490, 30968980]

約数ペア:

[(1, 30968980), (2, 15484490), (4, 7742245), (5, 6193796), (7, 4424140), (10, 3096898), (14, 2212070), (20, 1548449), (28, 1106035), (35, 884828), (49, 632020), (70, 442414), (98, 316010), (140, 221207), (196, 158005), (245, 126404), (490, 63202), (980, 31601)]