247988680

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{27073}}^1$

素因数の和:27313

約数の個数: 32

約数和(自身を含む): 560431800

約数和(自身を除く): 312443120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 9160, 27073, 54146, 108292, 135365, 216584, 270730, 541460, 1082920, 6199717, 12399434, 24798868, 30998585, 49597736, 61997170, 123994340, 247988680]

約数ペア:

[(1, 247988680), (2, 123994340), (4, 61997170), (5, 49597736), (8, 30998585), (10, 24798868), (20, 12399434), (40, 6199717), (229, 1082920), (458, 541460), (916, 270730), (1145, 216584), (1832, 135365), (2290, 108292), (4580, 54146), (9160, 27073)]