156978460780

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1033}}^1\times {\mathrm{19139}}^1$

素因数の和:20578

約数の個数: 48

約数和(自身を含む): 330822344160

約数和(自身を除く): 173843883380

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1033, 1588, 1985, 2066, 3970, 4132, 5165, 7940, 10330, 19139, 20660, 38278, 76556, 95695, 191390, 382780, 410101, 820202, 1640404, 2050505, 4101010, 7598183, 8202020, 15196366, 19770587, 30392732, 37990915, 39541174, 75981830, 79082348, 98852935, 151963660, 197705870, 395411740, 7848923039, 15697846078, 31395692156, 39244615195, 78489230390, 156978460780]

約数ペア:

[(1, 156978460780), (2, 78489230390), (4, 39244615195), (5, 31395692156), (10, 15697846078), (20, 7848923039), (397, 395411740), (794, 197705870), (1033, 151963660), (1588, 98852935), (1985, 79082348), (2066, 75981830), (3970, 39541174), (4132, 37990915), (5165, 30392732), (7940, 19770587), (10330, 15196366), (19139, 8202020), (20660, 7598183), (38278, 4101010), (76556, 2050505), (95695, 1640404), (191390, 820202), (382780, 410101)]