974678620

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{121531}}^1$

素因数の和:121941

約数の個数: 24

約数和(自身を含む): 2051946288

約数和(自身を除く): 1077267668

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 121531, 243062, 486124, 607655, 1215310, 2430620, 48733931, 97467862, 194935724, 243669655, 487339310, 974678620]

約数ペア:

[(1, 974678620), (2, 487339310), (4, 243669655), (5, 194935724), (10, 97467862), (20, 48733931), (401, 2430620), (802, 1215310), (1604, 607655), (2005, 486124), (4010, 243062), (8020, 121531)]