393069490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{50329}}^1$

素因数の和:50418

約数の個数: 32

約数和(自身を含む): 782732160

約数和(自身を除く): 389662670

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 50329, 100658, 251645, 503290, 553619, 1107238, 2768095, 3573359, 5536190, 7146718, 17866795, 35733590, 39306949, 78613898, 196534745, 393069490]

約数ペア:

[(1, 393069490), (2, 196534745), (5, 78613898), (10, 39306949), (11, 35733590), (22, 17866795), (55, 7146718), (71, 5536190), (110, 3573359), (142, 2768095), (355, 1107238), (710, 553619), (781, 503290), (1562, 251645), (3905, 100658), (7810, 50329)]