1791878980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{20773}}^1$

素因数の和:21028

約数の個数: 48

約数和(自身を含む): 3978636480

約数和(自身を除く): 2186757500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 227, 380, 454, 908, 1135, 2270, 4313, 4540, 8626, 17252, 20773, 21565, 41546, 43130, 83092, 86260, 103865, 207730, 394687, 415460, 789374, 1578748, 1973435, 3946870, 4715471, 7893740, 9430942, 18861884, 23577355, 47154710, 89593949, 94309420, 179187898, 358375796, 447969745, 895939490, 1791878980]

約数ペア:

[(1, 1791878980), (2, 895939490), (4, 447969745), (5, 358375796), (10, 179187898), (19, 94309420), (20, 89593949), (38, 47154710), (76, 23577355), (95, 18861884), (190, 9430942), (227, 7893740), (380, 4715471), (454, 3946870), (908, 1973435), (1135, 1578748), (2270, 789374), (4313, 415460), (4540, 394687), (8626, 207730), (17252, 103865), (20773, 86260), (21565, 83092), (41546, 43130)]