291228280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1040101}}^1$

素因数の和:1040119

約数の個数: 32

約数和(自身を含む): 748873440

約数和(自身を除く): 457645160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1040101, 2080202, 4160404, 5200505, 7280707, 8320808, 10401010, 14561414, 20802020, 29122828, 36403535, 41604040, 58245656, 72807070, 145614140, 291228280]

約数ペア:

[(1, 291228280), (2, 145614140), (4, 72807070), (5, 58245656), (7, 41604040), (8, 36403535), (10, 29122828), (14, 20802020), (20, 14561414), (28, 10401010), (35, 8320808), (40, 7280707), (56, 5200505), (70, 4160404), (140, 2080202), (280, 1040101)]