29207920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{7451}}^1$

素因数の和:7478

約数の個数: 60

約数和(自身を含む): 79006104

約数和(自身を除く): 49798184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 7451, 14902, 29804, 37255, 52157, 59608, 74510, 104314, 119216, 149020, 208628, 260785, 298040, 365099, 417256, 521570, 596080, 730198, 834512, 1043140, 1460396, 1825495, 2086280, 2920792, 3650990, 4172560, 5841584, 7301980, 14603960, 29207920]

約数ペア:

[(1, 29207920), (2, 14603960), (4, 7301980), (5, 5841584), (7, 4172560), (8, 3650990), (10, 2920792), (14, 2086280), (16, 1825495), (20, 1460396), (28, 1043140), (35, 834512), (40, 730198), (49, 596080), (56, 521570), (70, 417256), (80, 365099), (98, 298040), (112, 260785), (140, 208628), (196, 149020), (245, 119216), (280, 104314), (392, 74510), (490, 59608), (560, 52157), (784, 37255), (980, 29804), (1960, 14902), (3920, 7451)]