474640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:379

約数の個数: 40

約数和(自身を含む): 1171800

約数和(自身を除く): 697160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 349, 680, 698, 1360, 1396, 1745, 2792, 3490, 5584, 5933, 6980, 11866, 13960, 23732, 27920, 29665, 47464, 59330, 94928, 118660, 237320, 474640]

約数ペア:

[(1, 474640), (2, 237320), (4, 118660), (5, 94928), (8, 59330), (10, 47464), (16, 29665), (17, 27920), (20, 23732), (34, 13960), (40, 11866), (68, 6980), (80, 5933), (85, 5584), (136, 3490), (170, 2792), (272, 1745), (340, 1396), (349, 1360), (680, 698)]