139254220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{2557}}^1$

素因数の和:2962

約数の個数: 48

約数和(自身を含む): 335200320

約数和(自身を除く): 195946100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 778, 1556, 1945, 2557, 2723, 3890, 5114, 5446, 7780, 10228, 10892, 12785, 13615, 17899, 25570, 27230, 35798, 51140, 54460, 71596, 89495, 178990, 357980, 994673, 1989346, 3978692, 4973365, 6962711, 9946730, 13925422, 19893460, 27850844, 34813555, 69627110, 139254220]

約数ペア:

[(1, 139254220), (2, 69627110), (4, 34813555), (5, 27850844), (7, 19893460), (10, 13925422), (14, 9946730), (20, 6962711), (28, 4973365), (35, 3978692), (70, 1989346), (140, 994673), (389, 357980), (778, 178990), (1556, 89495), (1945, 71596), (2557, 54460), (2723, 51140), (3890, 35798), (5114, 27230), (5446, 25570), (7780, 17899), (10228, 13615), (10892, 12785)]