379987270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{153841}}^1$

素因数の和:153880

約数の個数: 32

約数和(自身を含む): 775363680

約数和(自身を除く): 395376410

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 153841, 307682, 769205, 1538410, 1999933, 2922979, 3999866, 5845958, 9999665, 14614895, 19999330, 29229790, 37998727, 75997454, 189993635, 379987270]

約数ペア:

[(1, 379987270), (2, 189993635), (5, 75997454), (10, 37998727), (13, 29229790), (19, 19999330), (26, 14614895), (38, 9999665), (65, 5845958), (95, 3999866), (130, 2922979), (190, 1999933), (247, 1538410), (494, 769205), (1235, 307682), (2470, 153841)]