71918200

素因数分解:

$2^3\times 5^2\times {\mathrm{109}}^1\times {\mathrm{3299}}^1$

素因数の和:3424

約数の個数: 48

約数和(自身を含む): 168795000

約数和(自身を除く): 96876800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 109, 200, 218, 436, 545, 872, 1090, 2180, 2725, 3299, 4360, 5450, 6598, 10900, 13196, 16495, 21800, 26392, 32990, 65980, 82475, 131960, 164950, 329900, 359591, 659800, 719182, 1438364, 1797955, 2876728, 3595910, 7191820, 8989775, 14383640, 17979550, 35959100, 71918200]

約数ペア:

[(1, 71918200), (2, 35959100), (4, 17979550), (5, 14383640), (8, 8989775), (10, 7191820), (20, 3595910), (25, 2876728), (40, 1797955), (50, 1438364), (100, 719182), (109, 659800), (200, 359591), (218, 329900), (436, 164950), (545, 131960), (872, 82475), (1090, 65980), (2180, 32990), (2725, 26392), (3299, 21800), (4360, 16495), (5450, 13196), (6598, 10900)]