280960030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113749}}^1$

素因数の和:113788

約数の個数: 32

約数和(自身を含む): 573300000

約数和(自身を除く): 292339970

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 113749, 227498, 568745, 1137490, 1478737, 2161231, 2957474, 4322462, 7393685, 10806155, 14787370, 21612310, 28096003, 56192006, 140480015, 280960030]

約数ペア:

[(1, 280960030), (2, 140480015), (5, 56192006), (10, 28096003), (13, 21612310), (19, 14787370), (26, 10806155), (38, 7393685), (65, 4322462), (95, 2957474), (130, 2161231), (190, 1478737), (247, 1137490), (494, 568745), (1235, 227498), (2470, 113749)]