305364080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{77899}}^1$

素因数の和:77926

約数の個数: 60

約数和(自身を含む): 825895800

約数和(自身を除く): 520531720

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, 77899, 155798, 311596, 389495, 545293, 623192, 778990, 1090586, 1246384, 1557980, 2181172, 2726465, 3115960, 3817051, 4362344, 5452930, 6231920, 7634102, 8724688, 10905860, 15268204, 19085255, 21811720, 30536408, 38170510, 43623440, 61072816, 76341020, 152682040, 305364080]

約数ペア:

[(1, 305364080), (2, 152682040), (4, 76341020), (5, 61072816), (7, 43623440), (8, 38170510), (10, 30536408), (14, 21811720), (16, 19085255), (20, 15268204), (28, 10905860), (35, 8724688), (40, 7634102), (49, 6231920), (56, 5452930), (70, 4362344), (80, 3817051), (98, 3115960), (112, 2726465), (140, 2181172), (196, 1557980), (245, 1246384), (280, 1090586), (392, 778990), (490, 623192), (560, 545293), (784, 389495), (980, 311596), (1960, 155798), (3920, 77899)]