1973420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1249}}^1$

素因数の和:1337

約数の個数: 24

約数和(自身を含む): 4200000

約数和(自身を除く): 2226580

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1249, 1580, 2498, 4996, 6245, 12490, 24980, 98671, 197342, 394684, 493355, 986710, 1973420]

約数ペア:

[(1, 1973420), (2, 986710), (4, 493355), (5, 394684), (10, 197342), (20, 98671), (79, 24980), (158, 12490), (316, 6245), (395, 4996), (790, 2498), (1249, 1580)]