280093520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{500167}}^1$

素因数の和:500187

約数の個数: 40

約数和(自身を含む): 744249984

約数和(自身を除く): 464156464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 500167, 1000334, 2000668, 2500835, 3501169, 4001336, 5001670, 7002338, 8002672, 10003340, 14004676, 17505845, 20006680, 28009352, 35011690, 40013360, 56018704, 70023380, 140046760, 280093520]

約数ペア:

[(1, 280093520), (2, 140046760), (4, 70023380), (5, 56018704), (7, 40013360), (8, 35011690), (10, 28009352), (14, 20006680), (16, 17505845), (20, 14004676), (28, 10003340), (35, 8002672), (40, 7002338), (56, 5001670), (70, 4001336), (80, 3501169), (112, 2500835), (140, 2000668), (280, 1000334), (560, 500167)]