280139230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{210631}}^1$

素因数の和:210664

約数の個数: 32

約数和(自身を含む): 606620160

約数和(自身を除く): 326480930

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 210631, 421262, 1053155, 1474417, 2106310, 2948834, 4001989, 7372085, 8003978, 14744170, 20009945, 28013923, 40019890, 56027846, 140069615, 280139230]

約数ペア:

[(1, 280139230), (2, 140069615), (5, 56027846), (7, 40019890), (10, 28013923), (14, 20009945), (19, 14744170), (35, 8003978), (38, 7372085), (70, 4001989), (95, 2948834), (133, 2106310), (190, 1474417), (266, 1053155), (665, 421262), (1330, 210631)]