207777220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{17881}}^1$

素因数の和:17980

約数の個数: 48

約数和(自身を含む): 504701568

約数和(自身を除く): 296924348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1660, 2324, 2905, 5810, 11620, 17881, 35762, 71524, 89405, 125167, 178810, 250334, 357620, 500668, 625835, 1251670, 1484123, 2503340, 2968246, 5936492, 7420615, 10388861, 14841230, 20777722, 29682460, 41555444, 51944305, 103888610, 207777220]

約数ペア:

[(1, 207777220), (2, 103888610), (4, 51944305), (5, 41555444), (7, 29682460), (10, 20777722), (14, 14841230), (20, 10388861), (28, 7420615), (35, 5936492), (70, 2968246), (83, 2503340), (140, 1484123), (166, 1251670), (332, 625835), (415, 500668), (581, 357620), (830, 250334), (1162, 178810), (1660, 125167), (2324, 89405), (2905, 71524), (5810, 35762), (11620, 17881)]