489354620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{2267}}^1$

素因数の和:2570

約数の個数: 48

約数和(自身を含む): 1056198528

約数和(自身を除く): 566843908

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 251, 430, 502, 860, 1004, 1255, 2267, 2510, 4534, 5020, 9068, 10793, 11335, 21586, 22670, 43172, 45340, 53965, 97481, 107930, 194962, 215860, 389924, 487405, 569017, 974810, 1138034, 1949620, 2276068, 2845085, 5690170, 11380340, 24467731, 48935462, 97870924, 122338655, 244677310, 489354620]

約数ペア:

[(1, 489354620), (2, 244677310), (4, 122338655), (5, 97870924), (10, 48935462), (20, 24467731), (43, 11380340), (86, 5690170), (172, 2845085), (215, 2276068), (251, 1949620), (430, 1138034), (502, 974810), (860, 569017), (1004, 487405), (1255, 389924), (2267, 215860), (2510, 194962), (4534, 107930), (5020, 97481), (9068, 53965), (10793, 45340), (11335, 43172), (21586, 22670)]