344366980

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1\times {\mathrm{379}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 731989440

約数和(自身を除く): 387622460

約数列:

[1, 2, 4, 5, 10, 20, 181, 251, 362, 379, 502, 724, 758, 905, 1004, 1255, 1516, 1810, 1895, 2510, 3620, 3790, 5020, 7580, 45431, 68599, 90862, 95129, 137198, 181724, 190258, 227155, 274396, 342995, 380516, 454310, 475645, 685990, 908620, 951290, 1371980, 1902580, 17218349, 34436698, 68873396, 86091745, 172183490, 344366980]

約数ペア:

[(1, 344366980), (2, 172183490), (4, 86091745), (5, 68873396), (10, 34436698), (20, 17218349), (181, 1902580), (251, 1371980), (362, 951290), (379, 908620), (502, 685990), (724, 475645), (758, 454310), (905, 380516), (1004, 342995), (1255, 274396), (1516, 227155), (1810, 190258), (1895, 181724), (2510, 137198), (3620, 95129), (3790, 90862), (5020, 68599), (7580, 45431)]