68374220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{110281}}^1$

素因数の和:110321

約数の個数: 24

約数和(自身を含む): 148219008

約数和(自身を除く): 79844788

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 110281, 220562, 441124, 551405, 1102810, 2205620, 3418711, 6837422, 13674844, 17093555, 34187110, 68374220]

約数ペア:

[(1, 68374220), (2, 34187110), (4, 17093555), (5, 13674844), (10, 6837422), (20, 3418711), (31, 2205620), (62, 1102810), (124, 551405), (155, 441124), (310, 220562), (620, 110281)]