257677630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{5569}}^1$

素因数の和:6244

約数の個数: 32

約数和(自身を含む): 530976960

約数和(自身を除く): 273299330

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 661, 1322, 3305, 4627, 5569, 6610, 9254, 11138, 23135, 27845, 38983, 46270, 55690, 77966, 194915, 389830, 3681109, 7362218, 18405545, 25767763, 36811090, 51535526, 128838815, 257677630]

約数ペア:

[(1, 257677630), (2, 128838815), (5, 51535526), (7, 36811090), (10, 25767763), (14, 18405545), (35, 7362218), (70, 3681109), (661, 389830), (1322, 194915), (3305, 77966), (4627, 55690), (5569, 46270), (6610, 38983), (9254, 27845), (11138, 23135)]