2149441720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{7753}}^1$

素因数の和:8032

約数の個数: 64

約数和(自身を含む): 5024592000

約数和(自身を除く): 2875150280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 239, 290, 478, 580, 956, 1160, 1195, 1912, 2390, 4780, 6931, 7753, 9560, 13862, 15506, 27724, 31012, 34655, 38765, 55448, 62024, 69310, 77530, 138620, 155060, 224837, 277240, 310120, 449674, 899348, 1124185, 1798696, 1852967, 2248370, 3705934, 4496740, 7411868, 8993480, 9264835, 14823736, 18529670, 37059340, 53736043, 74118680, 107472086, 214944172, 268680215, 429888344, 537360430, 1074720860, 2149441720]

約数ペア:

[(1, 2149441720), (2, 1074720860), (4, 537360430), (5, 429888344), (8, 268680215), (10, 214944172), (20, 107472086), (29, 74118680), (40, 53736043), (58, 37059340), (116, 18529670), (145, 14823736), (232, 9264835), (239, 8993480), (290, 7411868), (478, 4496740), (580, 3705934), (956, 2248370), (1160, 1852967), (1195, 1798696), (1912, 1124185), (2390, 899348), (4780, 449674), (6931, 310120), (7753, 277240), (9560, 224837), (13862, 155060), (15506, 138620), (27724, 77530), (31012, 69310), (34655, 62024), (38765, 55448)]