2912987140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{310553}}^1$

素因数の和:310636

約数の個数: 48

約数和(自身を含む): 7095537792

約数和(自身を除く): 4182550652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 9380, 310553, 621106, 1242212, 1552765, 2173871, 3105530, 4347742, 6211060, 8695484, 10869355, 20807051, 21738710, 41614102, 43477420, 83228204, 104035255, 145649357, 208070510, 291298714, 416141020, 582597428, 728246785, 1456493570, 2912987140]

約数ペア:

[(1, 2912987140), (2, 1456493570), (4, 728246785), (5, 582597428), (7, 416141020), (10, 291298714), (14, 208070510), (20, 145649357), (28, 104035255), (35, 83228204), (67, 43477420), (70, 41614102), (134, 21738710), (140, 20807051), (268, 10869355), (335, 8695484), (469, 6211060), (670, 4347742), (938, 3105530), (1340, 2173871), (1876, 1552765), (2345, 1242212), (4690, 621106), (9380, 310553)]