388611580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{6323}}^1$

素因数の和:6778

約数の個数: 48

約数和(自身を含む): 934940160

約数和(自身を除く): 546328580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 439, 878, 1756, 2195, 3073, 4390, 6146, 6323, 8780, 12292, 12646, 15365, 25292, 30730, 31615, 44261, 61460, 63230, 88522, 126460, 177044, 221305, 442610, 885220, 2775797, 5551594, 11103188, 13878985, 19430579, 27757970, 38861158, 55515940, 77722316, 97152895, 194305790, 388611580]

約数ペア:

[(1, 388611580), (2, 194305790), (4, 97152895), (5, 77722316), (7, 55515940), (10, 38861158), (14, 27757970), (20, 19430579), (28, 13878985), (35, 11103188), (70, 5551594), (140, 2775797), (439, 885220), (878, 442610), (1756, 221305), (2195, 177044), (3073, 126460), (4390, 88522), (6146, 63230), (6323, 61460), (8780, 44261), (12292, 31615), (12646, 30730), (15365, 25292)]