289939510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{25411}}^1$

素因数の和:25588

約数の個数: 32

約数和(自身を含む): 600129792

約数和(自身を除く): 310190282

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 163, 326, 815, 1141, 1630, 2282, 5705, 11410, 25411, 50822, 127055, 177877, 254110, 355754, 889385, 1778770, 4141993, 8283986, 20709965, 28993951, 41419930, 57987902, 144969755, 289939510]

約数ペア:

[(1, 289939510), (2, 144969755), (5, 57987902), (7, 41419930), (10, 28993951), (14, 20709965), (35, 8283986), (70, 4141993), (163, 1778770), (326, 889385), (815, 355754), (1141, 254110), (1630, 177877), (2282, 127055), (5705, 50822), (11410, 25411)]