123077860

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{19661}}^1$

素因数の和:19983

約数の個数: 24

約数和(自身を含む): 259302456

約数和(自身を除く): 136224596

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 19661, 39322, 78644, 98305, 196610, 393220, 6153893, 12307786, 24615572, 30769465, 61538930, 123077860]

約数ペア:

[(1, 123077860), (2, 61538930), (4, 30769465), (5, 24615572), (10, 12307786), (20, 6153893), (313, 393220), (626, 196610), (1252, 98305), (1565, 78644), (3130, 39322), (6260, 19661)]