4872020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 10741248

約数和(自身を除く): 5869228

約数列:

[1, 2, 4, 5, 10, 20, 47, 71, 73, 94, 142, 146, 188, 235, 284, 292, 355, 365, 470, 710, 730, 940, 1420, 1460, 3337, 3431, 5183, 6674, 6862, 10366, 13348, 13724, 16685, 17155, 20732, 25915, 33370, 34310, 51830, 66740, 68620, 103660, 243601, 487202, 974404, 1218005, 2436010, 4872020]

約数ペア:

[(1, 4872020), (2, 2436010), (4, 1218005), (5, 974404), (10, 487202), (20, 243601), (47, 103660), (71, 68620), (73, 66740), (94, 51830), (142, 34310), (146, 33370), (188, 25915), (235, 20732), (284, 17155), (292, 16685), (355, 13724), (365, 13348), (470, 10366), (710, 6862), (730, 6674), (940, 5183), (1420, 3431), (1460, 3337)]