1387904060

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{174799}}^1$

素因数の和:175205

約数の個数: 24

約数和(自身を含む): 2921956800

約数和(自身を除く): 1534052740

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 7940, 174799, 349598, 699196, 873995, 1747990, 3495980, 69395203, 138790406, 277580812, 346976015, 693952030, 1387904060]

約数ペア:

[(1, 1387904060), (2, 693952030), (4, 346976015), (5, 277580812), (10, 138790406), (20, 69395203), (397, 3495980), (794, 1747990), (1588, 873995), (1985, 699196), (3970, 349598), (7940, 174799)]