247989710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{76777}}^1$

素因数の和:76820

約数の個数: 32

約数和(自身を含む): 497521440

約数和(自身を除く): 249531730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 76777, 153554, 383885, 767770, 1305209, 1458763, 2610418, 2917526, 6526045, 7293815, 13052090, 14587630, 24798971, 49597942, 123994855, 247989710]

約数ペア:

[(1, 247989710), (2, 123994855), (5, 49597942), (10, 24798971), (17, 14587630), (19, 13052090), (34, 7293815), (38, 6526045), (85, 2917526), (95, 2610418), (170, 1458763), (190, 1305209), (323, 767770), (646, 383885), (1615, 153554), (3230, 76777)]