284656880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{114781}}^1$

素因数の和:114825

約数の個数: 40

約数和(自身を含む): 683182464

約数和(自身を除く): 398525584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 114781, 229562, 459124, 573905, 918248, 1147810, 1836496, 2295620, 3558211, 4591240, 7116422, 9182480, 14232844, 17791055, 28465688, 35582110, 56931376, 71164220, 142328440, 284656880]

約数ペア:

[(1, 284656880), (2, 142328440), (4, 71164220), (5, 56931376), (8, 35582110), (10, 28465688), (16, 17791055), (20, 14232844), (31, 9182480), (40, 7116422), (62, 4591240), (80, 3558211), (124, 2295620), (155, 1836496), (248, 1147810), (310, 918248), (496, 573905), (620, 459124), (1240, 229562), (2480, 114781)]