1790985220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1103}}^1\times {\mathrm{4273}}^1$

素因数の和:5404

約数の個数: 48

約数和(自身を含む): 3963536640

約数和(自身を除く): 2172551420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1103, 2206, 4273, 4412, 5515, 8546, 11030, 17092, 20957, 21365, 22060, 41914, 42730, 81187, 83828, 85460, 104785, 162374, 209570, 324748, 405935, 419140, 811870, 1623740, 4713119, 9426238, 18852476, 23565595, 47131190, 89549261, 94262380, 179098522, 358197044, 447746305, 895492610, 1790985220]

約数ペア:

[(1, 1790985220), (2, 895492610), (4, 447746305), (5, 358197044), (10, 179098522), (19, 94262380), (20, 89549261), (38, 47131190), (76, 23565595), (95, 18852476), (190, 9426238), (380, 4713119), (1103, 1623740), (2206, 811870), (4273, 419140), (4412, 405935), (5515, 324748), (8546, 209570), (11030, 162374), (17092, 104785), (20957, 85460), (21365, 83828), (22060, 81187), (41914, 42730)]