1685420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 3967488

約数和(自身を除く): 2282068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 163, 188, 220, 235, 326, 470, 517, 652, 815, 940, 1034, 1630, 1793, 2068, 2585, 3260, 3586, 5170, 7172, 7661, 8965, 10340, 15322, 17930, 30644, 35860, 38305, 76610, 84271, 153220, 168542, 337084, 421355, 842710, 1685420]

約数ペア:

[(1, 1685420), (2, 842710), (4, 421355), (5, 337084), (10, 168542), (11, 153220), (20, 84271), (22, 76610), (44, 38305), (47, 35860), (55, 30644), (94, 17930), (110, 15322), (163, 10340), (188, 8965), (220, 7661), (235, 7172), (326, 5170), (470, 3586), (517, 3260), (652, 2585), (815, 2068), (940, 1793), (1034, 1630)]