1904540780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{53831}}^1$

素因数の和:53930

約数の個数: 48

約数和(自身を含む): 4205355840

約数和(自身を除く): 2300815060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 610, 1220, 1769, 3538, 7076, 8845, 17690, 35380, 53831, 107662, 215324, 269155, 538310, 1076620, 1561099, 3122198, 3283691, 6244396, 6567382, 7805495, 13134764, 15610990, 16418455, 31221980, 32836910, 65673820, 95227039, 190454078, 380908156, 476135195, 952270390, 1904540780]

約数ペア:

[(1, 1904540780), (2, 952270390), (4, 476135195), (5, 380908156), (10, 190454078), (20, 95227039), (29, 65673820), (58, 32836910), (61, 31221980), (116, 16418455), (122, 15610990), (145, 13134764), (244, 7805495), (290, 6567382), (305, 6244396), (580, 3283691), (610, 3122198), (1220, 1561099), (1769, 1076620), (3538, 538310), (7076, 269155), (8845, 215324), (17690, 107662), (35380, 53831)]