389852060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{2029}}^1$

素因数の和:2790

約数の個数: 48

約数和(自身を含む): 883293600

約数和(自身を除く): 493441540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 739, 1478, 2029, 2956, 3695, 4058, 7390, 8116, 9607, 10145, 14780, 19214, 20290, 26377, 38428, 40580, 48035, 52754, 96070, 105508, 131885, 192140, 263770, 527540, 1499431, 2998862, 5997724, 7497155, 14994310, 19492603, 29988620, 38985206, 77970412, 97463015, 194926030, 389852060]

約数ペア:

[(1, 389852060), (2, 194926030), (4, 97463015), (5, 77970412), (10, 38985206), (13, 29988620), (20, 19492603), (26, 14994310), (52, 7497155), (65, 5997724), (130, 2998862), (260, 1499431), (739, 527540), (1478, 263770), (2029, 192140), (2956, 131885), (3695, 105508), (4058, 96070), (7390, 52754), (8116, 48035), (9607, 40580), (10145, 38428), (14780, 26377), (19214, 20290)]