1247389460

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{7243}}^1$

素因数の和:7440

約数の個数: 48

約数和(自身を含む): 2677382400

約数和(自身を除く): 1429992940

約数列:

[1, 2, 4, 5, 10, 20, 79, 109, 158, 218, 316, 395, 436, 545, 790, 1090, 1580, 2180, 7243, 8611, 14486, 17222, 28972, 34444, 36215, 43055, 72430, 86110, 144860, 172220, 572197, 789487, 1144394, 1578974, 2288788, 2860985, 3157948, 3947435, 5721970, 7894870, 11443940, 15789740, 62369473, 124738946, 249477892, 311847365, 623694730, 1247389460]

約数ペア:

[(1, 1247389460), (2, 623694730), (4, 311847365), (5, 249477892), (10, 124738946), (20, 62369473), (79, 15789740), (109, 11443940), (158, 7894870), (218, 5721970), (316, 3947435), (395, 3157948), (436, 2860985), (545, 2288788), (790, 1578974), (1090, 1144394), (1580, 789487), (2180, 572197), (7243, 172220), (8611, 144860), (14486, 86110), (17222, 72430), (28972, 43055), (34444, 36215)]