139027280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{607}}^1$

素因数の和:1036

約数の個数: 80

約数和(自身を含む): 370928640

約数和(自身を除く): 231901360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 409, 560, 607, 818, 1214, 1636, 2045, 2428, 2863, 3035, 3272, 4090, 4249, 4856, 5726, 6070, 6544, 8180, 8498, 9712, 11452, 12140, 14315, 16360, 16996, 21245, 22904, 24280, 28630, 32720, 33992, 42490, 45808, 48560, 57260, 67984, 84980, 114520, 169960, 229040, 248263, 339920, 496526, 993052, 1241315, 1737841, 1986104, 2482630, 3475682, 3972208, 4965260, 6951364, 8689205, 9930520, 13902728, 17378410, 19861040, 27805456, 34756820, 69513640, 139027280]

約数ペア:

[(1, 139027280), (2, 69513640), (4, 34756820), (5, 27805456), (7, 19861040), (8, 17378410), (10, 13902728), (14, 9930520), (16, 8689205), (20, 6951364), (28, 4965260), (35, 3972208), (40, 3475682), (56, 2482630), (70, 1986104), (80, 1737841), (112, 1241315), (140, 993052), (280, 496526), (409, 339920), (560, 248263), (607, 229040), (818, 169960), (1214, 114520), (1636, 84980), (2045, 67984), (2428, 57260), (2863, 48560), (3035, 45808), (3272, 42490), (4090, 33992), (4249, 32720), (4856, 28630), (5726, 24280), (6070, 22904), (6544, 21245), (8180, 16996), (8498, 16360), (9712, 14315), (11452, 12140)]