996740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:132

約数の個数: 48

約数和(自身を含む): 2291520

約数和(自身を除く): 1294780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 61, 76, 86, 95, 122, 172, 190, 215, 244, 305, 380, 430, 610, 817, 860, 1159, 1220, 1634, 2318, 2623, 3268, 4085, 4636, 5246, 5795, 8170, 10492, 11590, 13115, 16340, 23180, 26230, 49837, 52460, 99674, 199348, 249185, 498370, 996740]

約数ペア:

[(1, 996740), (2, 498370), (4, 249185), (5, 199348), (10, 99674), (19, 52460), (20, 49837), (38, 26230), (43, 23180), (61, 16340), (76, 13115), (86, 11590), (95, 10492), (122, 8170), (172, 5795), (190, 5246), (215, 4636), (244, 4085), (305, 3268), (380, 2623), (430, 2318), (610, 1634), (817, 1220), (860, 1159)]