690233840

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{162791}}^1$

素因数の和:162857

約数の個数: 40

約数和(自身を含む): 1635082848

約数和(自身を除く): 944849008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 162791, 325582, 651164, 813955, 1302328, 1627910, 2604656, 3255820, 6511640, 8627923, 13023280, 17255846, 34511692, 43139615, 69023384, 86279230, 138046768, 172558460, 345116920, 690233840]

約数ペア:

[(1, 690233840), (2, 345116920), (4, 172558460), (5, 138046768), (8, 86279230), (10, 69023384), (16, 43139615), (20, 34511692), (40, 17255846), (53, 13023280), (80, 8627923), (106, 6511640), (212, 3255820), (265, 2604656), (424, 1627910), (530, 1302328), (848, 813955), (1060, 651164), (2120, 325582), (4240, 162791)]