2008121475

素因数分解:

$3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{191}}^1\times {\mathrm{1361}}^1$

素因数の和:1668

約数の個数: 48

約数和(自身を含む): 3372355584

約数和(自身を除く): 1364234109

約数列:

[1, 3, 5, 15, 25, 75, 103, 191, 309, 515, 573, 955, 1361, 1545, 2575, 2865, 4083, 4775, 6805, 7725, 14325, 19673, 20415, 34025, 59019, 98365, 102075, 140183, 259951, 295095, 420549, 491825, 700915, 779853, 1299755, 1475475, 2102745, 3504575, 3899265, 6498775, 10513725, 19496325, 26774953, 80324859, 133874765, 401624295, 669373825, 2008121475]

約数ペア:

[(1, 2008121475), (3, 669373825), (5, 401624295), (15, 133874765), (25, 80324859), (75, 26774953), (103, 19496325), (191, 10513725), (309, 6498775), (515, 3899265), (573, 3504575), (955, 2102745), (1361, 1475475), (1545, 1299755), (2575, 779853), (2865, 700915), (4083, 491825), (4775, 420549), (6805, 295095), (7725, 259951), (14325, 140183), (19673, 102075), (20415, 98365), (34025, 59019)]