202266860

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1\times {\mathrm{409}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 432566400

約数和(自身を除く): 230299540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 313, 316, 395, 409, 626, 790, 818, 1252, 1565, 1580, 1636, 2045, 3130, 4090, 6260, 8180, 24727, 32311, 49454, 64622, 98908, 123635, 128017, 129244, 161555, 247270, 256034, 323110, 494540, 512068, 640085, 646220, 1280170, 2560340, 10113343, 20226686, 40453372, 50566715, 101133430, 202266860]

約数ペア:

[(1, 202266860), (2, 101133430), (4, 50566715), (5, 40453372), (10, 20226686), (20, 10113343), (79, 2560340), (158, 1280170), (313, 646220), (316, 640085), (395, 512068), (409, 494540), (626, 323110), (790, 256034), (818, 247270), (1252, 161555), (1565, 129244), (1580, 128017), (1636, 123635), (2045, 98908), (3130, 64622), (4090, 49454), (6260, 32311), (8180, 24727)]