2899780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{587}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 6914880

約数和(自身を除く): 4015100

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 587, 988, 1174, 1235, 2348, 2470, 2935, 4940, 5870, 7631, 11153, 11740, 15262, 22306, 30524, 38155, 44612, 55765, 76310, 111530, 144989, 152620, 223060, 289978, 579956, 724945, 1449890, 2899780]

約数ペア:

[(1, 2899780), (2, 1449890), (4, 724945), (5, 579956), (10, 289978), (13, 223060), (19, 152620), (20, 144989), (26, 111530), (38, 76310), (52, 55765), (65, 44612), (76, 38155), (95, 30524), (130, 22306), (190, 15262), (247, 11740), (260, 11153), (380, 7631), (494, 5870), (587, 4940), (988, 2935), (1174, 2470), (1235, 2348)]