210486520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{309539}}^1$

素因数の和:309567

約数の個数: 32

約数和(自身を含む): 501454800

約数和(自身を除く): 290968280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 309539, 619078, 1238156, 1547695, 2476312, 3095390, 5262163, 6190780, 10524326, 12381560, 21048652, 26310815, 42097304, 52621630, 105243260, 210486520]

約数ペア:

[(1, 210486520), (2, 105243260), (4, 52621630), (5, 42097304), (8, 26310815), (10, 21048652), (17, 12381560), (20, 10524326), (34, 6190780), (40, 5262163), (68, 3095390), (85, 2476312), (136, 1547695), (170, 1238156), (340, 619078), (680, 309539)]