201025100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{673}}^1$

素因数の和:819

約数の個数: 72

約数和(自身を含む): 456324960

約数和(自身を除く): 255299860

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 103, 116, 145, 206, 290, 412, 515, 580, 673, 725, 1030, 1346, 1450, 2060, 2575, 2692, 2900, 2987, 3365, 5150, 5974, 6730, 10300, 11948, 13460, 14935, 16825, 19517, 29870, 33650, 39034, 59740, 67300, 69319, 74675, 78068, 97585, 138638, 149350, 195170, 277276, 298700, 346595, 390340, 487925, 693190, 975850, 1386380, 1732975, 1951700, 2010251, 3465950, 4020502, 6931900, 8041004, 10051255, 20102510, 40205020, 50256275, 100512550, 201025100]

約数ペア:

[(1, 201025100), (2, 100512550), (4, 50256275), (5, 40205020), (10, 20102510), (20, 10051255), (25, 8041004), (29, 6931900), (50, 4020502), (58, 3465950), (100, 2010251), (103, 1951700), (116, 1732975), (145, 1386380), (206, 975850), (290, 693190), (412, 487925), (515, 390340), (580, 346595), (673, 298700), (725, 277276), (1030, 195170), (1346, 149350), (1450, 138638), (2060, 97585), (2575, 78068), (2692, 74675), (2900, 69319), (2987, 67300), (3365, 59740), (5150, 39034), (5974, 33650), (6730, 29870), (10300, 19517), (11948, 16825), (13460, 14935)]