202168900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:413

約数の個数: 72

約数和(自身を含む): 449832320

約数和(自身を除く): 247663420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 157, 158, 163, 314, 316, 326, 395, 628, 652, 785, 790, 815, 1570, 1580, 1630, 1975, 3140, 3260, 3925, 3950, 4075, 7850, 7900, 8150, 12403, 12877, 15700, 16300, 24806, 25591, 25754, 49612, 51182, 51508, 62015, 64385, 102364, 124030, 127955, 128770, 248060, 255910, 257540, 310075, 321925, 511820, 620150, 639775, 643850, 1240300, 1279550, 1287700, 2021689, 2559100, 4043378, 8086756, 10108445, 20216890, 40433780, 50542225, 101084450, 202168900]

約数ペア:

[(1, 202168900), (2, 101084450), (4, 50542225), (5, 40433780), (10, 20216890), (20, 10108445), (25, 8086756), (50, 4043378), (79, 2559100), (100, 2021689), (157, 1287700), (158, 1279550), (163, 1240300), (314, 643850), (316, 639775), (326, 620150), (395, 511820), (628, 321925), (652, 310075), (785, 257540), (790, 255910), (815, 248060), (1570, 128770), (1580, 127955), (1630, 124030), (1975, 102364), (3140, 64385), (3260, 62015), (3925, 51508), (3950, 51182), (4075, 49612), (7850, 25754), (7900, 25591), (8150, 24806), (12403, 16300), (12877, 15700)]