898270480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{660493}}^1$

素因数の和:660523

約数の個数: 40

約数和(自身を含む): 2211333912

約数和(自身を除く): 1313063432

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 660493, 1320986, 2641972, 3302465, 5283944, 6604930, 10567888, 11228381, 13209860, 22456762, 26419720, 44913524, 52839440, 56141905, 89827048, 112283810, 179654096, 224567620, 449135240, 898270480]

約数ペア:

[(1, 898270480), (2, 449135240), (4, 224567620), (5, 179654096), (8, 112283810), (10, 89827048), (16, 56141905), (17, 52839440), (20, 44913524), (34, 26419720), (40, 22456762), (68, 13209860), (80, 11228381), (85, 10567888), (136, 6604930), (170, 5283944), (272, 3302465), (340, 2641972), (680, 1320986), (1360, 660493)]