2526620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 5728800

約数和(自身を除く): 3202180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 109, 122, 190, 218, 244, 305, 380, 436, 545, 610, 1090, 1159, 1220, 2071, 2180, 2318, 4142, 4636, 5795, 6649, 8284, 10355, 11590, 13298, 20710, 23180, 26596, 33245, 41420, 66490, 126331, 132980, 252662, 505324, 631655, 1263310, 2526620]

約数ペア:

[(1, 2526620), (2, 1263310), (4, 631655), (5, 505324), (10, 252662), (19, 132980), (20, 126331), (38, 66490), (61, 41420), (76, 33245), (95, 26596), (109, 23180), (122, 20710), (190, 13298), (218, 11590), (244, 10355), (305, 8284), (380, 6649), (436, 5795), (545, 4636), (610, 4142), (1090, 2318), (1159, 2180), (1220, 2071)]