2791569290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{38351}}^1$

素因数の和:38638

約数の個数: 32

約数和(自身を含む): 5218940160

約数和(自身を除く): 2427370870

約数列:

[1, 2, 5, 10, 29, 58, 145, 251, 290, 502, 1255, 2510, 7279, 14558, 36395, 38351, 72790, 76702, 191755, 383510, 1112179, 2224358, 5560895, 9626101, 11121790, 19252202, 48130505, 96261010, 279156929, 558313858, 1395784645, 2791569290]

約数ペア:

[(1, 2791569290), (2, 1395784645), (5, 558313858), (10, 279156929), (29, 96261010), (58, 48130505), (145, 19252202), (251, 11121790), (290, 9626101), (502, 5560895), (1255, 2224358), (2510, 1112179), (7279, 383510), (14558, 191755), (36395, 76702), (38351, 72790)]