1286870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 2630880

約数和(自身を除く): 1344010

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 521, 1042, 1235, 2470, 2605, 5210, 6773, 9899, 13546, 19798, 33865, 49495, 67730, 98990, 128687, 257374, 643435, 1286870]

約数ペア:

[(1, 1286870), (2, 643435), (5, 257374), (10, 128687), (13, 98990), (19, 67730), (26, 49495), (38, 33865), (65, 19798), (95, 13546), (130, 9899), (190, 6773), (247, 5210), (494, 2605), (521, 2470), (1042, 1235)]