678751420

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{148199}}^1$

素因数の和:148437

約数の個数: 24

約数和(自身を含む): 1431612000

約数和(自身を除く): 752860580

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4580, 148199, 296398, 592796, 740995, 1481990, 2963980, 33937571, 67875142, 135750284, 169687855, 339375710, 678751420]

約数ペア:

[(1, 678751420), (2, 339375710), (4, 169687855), (5, 135750284), (10, 67875142), (20, 33937571), (229, 2963980), (458, 1481990), (916, 740995), (1145, 592796), (2290, 296398), (4580, 148199)]