139487890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{5903}}^1$

素因数の和:6066

約数の個数: 32

約数和(自身を含む): 267805440

約数和(自身を除く): 128317550

約数列:

[1, 2, 5, 10, 17, 34, 85, 139, 170, 278, 695, 1390, 2363, 4726, 5903, 11806, 11815, 23630, 29515, 59030, 100351, 200702, 501755, 820517, 1003510, 1641034, 4102585, 8205170, 13948789, 27897578, 69743945, 139487890]

約数ペア:

[(1, 139487890), (2, 69743945), (5, 27897578), (10, 13948789), (17, 8205170), (34, 4102585), (85, 1641034), (139, 1003510), (170, 820517), (278, 501755), (695, 200702), (1390, 100351), (2363, 59030), (4726, 29515), (5903, 23630), (11806, 11815)]