121145980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{147739}}^1$

素因数の和:147789

約数の個数: 24

約数和(自身を含む): 260613360

約数和(自身を除く): 139467380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 147739, 295478, 590956, 738695, 1477390, 2954780, 6057299, 12114598, 24229196, 30286495, 60572990, 121145980]

約数ペア:

[(1, 121145980), (2, 60572990), (4, 30286495), (5, 24229196), (10, 12114598), (20, 6057299), (41, 2954780), (82, 1477390), (164, 738695), (205, 590956), (410, 295478), (820, 147739)]