202167950

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:533

約数の個数: 48

約数和(自身を含む): 383881680

約数和(自身を除く): 181713730

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 181, 251, 362, 445, 502, 890, 905, 1255, 1810, 2225, 2510, 4450, 4525, 6275, 9050, 12550, 16109, 22339, 32218, 44678, 45431, 80545, 90862, 111695, 161090, 223390, 227155, 402725, 454310, 558475, 805450, 1116950, 1135775, 2271550, 4043359, 8086718, 20216795, 40433590, 101083975, 202167950]

約数ペア:

[(1, 202167950), (2, 101083975), (5, 40433590), (10, 20216795), (25, 8086718), (50, 4043359), (89, 2271550), (178, 1135775), (181, 1116950), (251, 805450), (362, 558475), (445, 454310), (502, 402725), (890, 227155), (905, 223390), (1255, 161090), (1810, 111695), (2225, 90862), (2510, 80545), (4450, 45431), (4525, 44678), (6275, 32218), (9050, 22339), (12550, 16109)]