90947920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23201}}^1$

素因数の和:23228

約数の個数: 60

約数和(自身を含む): 245987604

約数和(自身を除く): 155039684

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, 23201, 46402, 92804, 116005, 162407, 185608, 232010, 324814, 371216, 464020, 649628, 812035, 928040, 1136849, 1299256, 1624070, 1856080, 2273698, 2598512, 3248140, 4547396, 5684245, 6496280, 9094792, 11368490, 12992560, 18189584, 22736980, 45473960, 90947920]

約数ペア:

[(1, 90947920), (2, 45473960), (4, 22736980), (5, 18189584), (7, 12992560), (8, 11368490), (10, 9094792), (14, 6496280), (16, 5684245), (20, 4547396), (28, 3248140), (35, 2598512), (40, 2273698), (49, 1856080), (56, 1624070), (70, 1299256), (80, 1136849), (98, 928040), (112, 812035), (140, 649628), (196, 464020), (245, 371216), (280, 324814), (392, 232010), (490, 185608), (560, 162407), (784, 116005), (980, 92804), (1960, 46402), (3920, 23201)]