1020490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:198

約数の個数: 32

約数和(自身を含む): 1995840

約数和(自身を除く): 975350

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 131, 190, 205, 262, 410, 655, 779, 1310, 1558, 2489, 3895, 4978, 5371, 7790, 10742, 12445, 24890, 26855, 53710, 102049, 204098, 510245, 1020490]

約数ペア:

[(1, 1020490), (2, 510245), (5, 204098), (10, 102049), (19, 53710), (38, 26855), (41, 24890), (82, 12445), (95, 10742), (131, 7790), (190, 5371), (205, 4978), (262, 3895), (410, 2489), (655, 1558), (779, 1310)]