8269940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3109}}^1$

素因数の和:3144

約数の個数: 48

約数和(自身を含む): 20899200

約数和(自身を除く): 12629260

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 3109, 6218, 12436, 15545, 21763, 31090, 43526, 59071, 62180, 87052, 108815, 118142, 217630, 236284, 295355, 413497, 435260, 590710, 826994, 1181420, 1653988, 2067485, 4134970, 8269940]

約数ペア:

[(1, 8269940), (2, 4134970), (4, 2067485), (5, 1653988), (7, 1181420), (10, 826994), (14, 590710), (19, 435260), (20, 413497), (28, 295355), (35, 236284), (38, 217630), (70, 118142), (76, 108815), (95, 87052), (133, 62180), (140, 59071), (190, 43526), (266, 31090), (380, 21763), (532, 15545), (665, 12436), (1330, 6218), (2660, 3109)]