688429570

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{3821}}^1$

素因数の和:4290

約数の個数: 32

約数和(自身を含む): 1271350080

約数和(自身を除く): 582920510

約数列:

[1, 2, 5, 10, 43, 86, 215, 419, 430, 838, 2095, 3821, 4190, 7642, 18017, 19105, 36034, 38210, 90085, 164303, 180170, 328606, 821515, 1600999, 1643030, 3201998, 8004995, 16009990, 68842957, 137685914, 344214785, 688429570]

約数ペア:

[(1, 688429570), (2, 344214785), (5, 137685914), (10, 68842957), (43, 16009990), (86, 8004995), (215, 3201998), (419, 1643030), (430, 1600999), (838, 821515), (2095, 328606), (3821, 180170), (4190, 164303), (7642, 90085), (18017, 38210), (19105, 36034)]