2155389100

素因数分解:

$2^2\times 5^2\times {\mathrm{151}}^1\times {\mathrm{349}}^1\times {\mathrm{409}}^1$

素因数の和:923

約数の個数: 72

約数和(自身を含む): 4733204000

約数和(自身を除く): 2577814900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 151, 302, 349, 409, 604, 698, 755, 818, 1396, 1510, 1636, 1745, 2045, 3020, 3490, 3775, 4090, 6980, 7550, 8180, 8725, 10225, 15100, 17450, 20450, 34900, 40900, 52699, 61759, 105398, 123518, 142741, 210796, 247036, 263495, 285482, 308795, 526990, 570964, 617590, 713705, 1053980, 1235180, 1317475, 1427410, 1543975, 2634950, 2854820, 3087950, 3568525, 5269900, 6175900, 7137050, 14274100, 21553891, 43107782, 86215564, 107769455, 215538910, 431077820, 538847275, 1077694550, 2155389100]

約数ペア:

[(1, 2155389100), (2, 1077694550), (4, 538847275), (5, 431077820), (10, 215538910), (20, 107769455), (25, 86215564), (50, 43107782), (100, 21553891), (151, 14274100), (302, 7137050), (349, 6175900), (409, 5269900), (604, 3568525), (698, 3087950), (755, 2854820), (818, 2634950), (1396, 1543975), (1510, 1427410), (1636, 1317475), (1745, 1235180), (2045, 1053980), (3020, 713705), (3490, 617590), (3775, 570964), (4090, 526990), (6980, 308795), (7550, 285482), (8180, 263495), (8725, 247036), (10225, 210796), (15100, 142741), (17450, 123518), (20450, 105398), (34900, 61759), (40900, 52699)]