38840180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2377}}^1$

素因数の和:2448

約数の個数: 48

約数和(自身を含む): 87890880

約数和(自身を除く): 49050700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 2377, 3268, 4085, 4754, 8170, 9508, 11885, 16340, 23770, 45163, 47540, 90326, 102211, 180652, 204422, 225815, 408844, 451630, 511055, 903260, 1022110, 1942009, 2044220, 3884018, 7768036, 9710045, 19420090, 38840180]

約数ペア:

[(1, 38840180), (2, 19420090), (4, 9710045), (5, 7768036), (10, 3884018), (19, 2044220), (20, 1942009), (38, 1022110), (43, 903260), (76, 511055), (86, 451630), (95, 408844), (172, 225815), (190, 204422), (215, 180652), (380, 102211), (430, 90326), (817, 47540), (860, 45163), (1634, 23770), (2377, 16340), (3268, 11885), (4085, 9508), (4754, 8170)]