208029770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:459

約数の個数: 64

約数和(自身を含む): 416132640

約数和(自身を除く): 208102870

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 109, 130, 218, 265, 277, 530, 545, 554, 689, 1090, 1378, 1385, 1417, 2770, 2834, 3445, 3601, 5777, 6890, 7085, 7202, 11554, 14170, 14681, 18005, 28885, 29362, 30193, 36010, 57770, 60386, 73405, 75101, 146810, 150202, 150965, 190853, 301930, 375505, 381706, 392509, 751010, 785018, 954265, 1600229, 1908530, 1962545, 3200458, 3925090, 8001145, 16002290, 20802977, 41605954, 104014885, 208029770]

約数ペア:

[(1, 208029770), (2, 104014885), (5, 41605954), (10, 20802977), (13, 16002290), (26, 8001145), (53, 3925090), (65, 3200458), (106, 1962545), (109, 1908530), (130, 1600229), (218, 954265), (265, 785018), (277, 751010), (530, 392509), (545, 381706), (554, 375505), (689, 301930), (1090, 190853), (1378, 150965), (1385, 150202), (1417, 146810), (2770, 75101), (2834, 73405), (3445, 60386), (3601, 57770), (5777, 36010), (6890, 30193), (7085, 29362), (7202, 28885), (11554, 18005), (14170, 14681)]