2857220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 6464640

約数和(自身を除く): 3607420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 103, 146, 190, 206, 292, 365, 380, 412, 515, 730, 1030, 1387, 1460, 1957, 2060, 2774, 3914, 5548, 6935, 7519, 7828, 9785, 13870, 15038, 19570, 27740, 30076, 37595, 39140, 75190, 142861, 150380, 285722, 571444, 714305, 1428610, 2857220]

約数ペア:

[(1, 2857220), (2, 1428610), (4, 714305), (5, 571444), (10, 285722), (19, 150380), (20, 142861), (38, 75190), (73, 39140), (76, 37595), (95, 30076), (103, 27740), (146, 19570), (190, 15038), (206, 13870), (292, 9785), (365, 7828), (380, 7519), (412, 6935), (515, 5548), (730, 3914), (1030, 2774), (1387, 2060), (1460, 1957)]