257506310

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{40939}}^1$

素因数の和:41000

約数の個数: 32

約数和(自身を含む): 504053280

約数和(自身を除く): 246546970

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 170, 185, 370, 629, 1258, 3145, 6290, 40939, 81878, 204695, 409390, 695963, 1391926, 1514743, 3029486, 3479815, 6959630, 7573715, 15147430, 25750631, 51501262, 128753155, 257506310]

約数ペア:

[(1, 257506310), (2, 128753155), (5, 51501262), (10, 25750631), (17, 15147430), (34, 7573715), (37, 6959630), (74, 3479815), (85, 3029486), (170, 1514743), (185, 1391926), (370, 695963), (629, 409390), (1258, 204695), (3145, 81878), (6290, 40939)]