208619677540

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4219}}^1\times {\mathrm{5581}}^1$

素因数の和:10252

約数の個数: 48

約数和(自身を含む): 439273033920

約数和(自身を除く): 230653356380

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4219, 4430, 5581, 8438, 8860, 11162, 16876, 21095, 22324, 27905, 42190, 55810, 84380, 111620, 1869017, 2472383, 3738034, 4944766, 7476068, 9345085, 9889532, 12361915, 18690170, 23546239, 24723830, 37380340, 47092478, 49447660, 94184956, 117731195, 235462390, 470924780, 10430983877, 20861967754, 41723935508, 52154919385, 104309838770, 208619677540]

約数ペア:

[(1, 208619677540), (2, 104309838770), (4, 52154919385), (5, 41723935508), (10, 20861967754), (20, 10430983877), (443, 470924780), (886, 235462390), (1772, 117731195), (2215, 94184956), (4219, 49447660), (4430, 47092478), (5581, 37380340), (8438, 24723830), (8860, 23546239), (11162, 18690170), (16876, 12361915), (21095, 9889532), (22324, 9345085), (27905, 7476068), (42190, 4944766), (55810, 3738034), (84380, 2472383), (111620, 1869017)]