38398220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3863}}^1$

素因数の和:3950

約数の個数: 48

約数和(自身を含む): 93477888

約数和(自身を除く): 55079668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 3863, 4970, 7726, 9940, 15452, 19315, 27041, 38630, 54082, 77260, 108164, 135205, 270410, 274273, 540820, 548546, 1097092, 1371365, 1919911, 2742730, 3839822, 5485460, 7679644, 9599555, 19199110, 38398220]

約数ペア:

[(1, 38398220), (2, 19199110), (4, 9599555), (5, 7679644), (7, 5485460), (10, 3839822), (14, 2742730), (20, 1919911), (28, 1371365), (35, 1097092), (70, 548546), (71, 540820), (140, 274273), (142, 270410), (284, 135205), (355, 108164), (497, 77260), (710, 54082), (994, 38630), (1420, 27041), (1988, 19315), (2485, 15452), (3863, 9940), (4970, 7726)]