280616310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239843}}^1$

素因数の和:239869

約数の個数: 48

約数和(自身を含む): 785728944

約数和(自身を除く): 505112634

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 239843, 479686, 719529, 1199215, 1439058, 2158587, 2398430, 3117959, 3597645, 4317174, 6235918, 7195290, 9353877, 10792935, 15589795, 18707754, 21585870, 28061631, 31179590, 46769385, 56123262, 93538770, 140308155, 280616310]

約数ペア:

[(1, 280616310), (2, 140308155), (3, 93538770), (5, 56123262), (6, 46769385), (9, 31179590), (10, 28061631), (13, 21585870), (15, 18707754), (18, 15589795), (26, 10792935), (30, 9353877), (39, 7195290), (45, 6235918), (65, 4317174), (78, 3597645), (90, 3117959), (117, 2398430), (130, 2158587), (195, 1439058), (234, 1199215), (390, 719529), (585, 479686), (1170, 239843)]