395372020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{6791}}^1$

素因数の和:6912

約数の個数: 48

約数和(自身を含む): 862638336

約数和(自身を除く): 467266316

約数列:

[1, 2, 4, 5, 10, 20, 41, 71, 82, 142, 164, 205, 284, 355, 410, 710, 820, 1420, 2911, 5822, 6791, 11644, 13582, 14555, 27164, 29110, 33955, 58220, 67910, 135820, 278431, 482161, 556862, 964322, 1113724, 1392155, 1928644, 2410805, 2784310, 4821610, 5568620, 9643220, 19768601, 39537202, 79074404, 98843005, 197686010, 395372020]

約数ペア:

[(1, 395372020), (2, 197686010), (4, 98843005), (5, 79074404), (10, 39537202), (20, 19768601), (41, 9643220), (71, 5568620), (82, 4821610), (142, 2784310), (164, 2410805), (205, 1928644), (284, 1392155), (355, 1113724), (410, 964322), (710, 556862), (820, 482161), (1420, 278431), (2911, 135820), (5822, 67910), (6791, 58220), (11644, 33955), (13582, 29110), (14555, 27164)]