858220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 2032128

約数和(自身を除く): 1173908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 83, 94, 110, 166, 188, 220, 235, 332, 415, 470, 517, 830, 913, 940, 1034, 1660, 1826, 2068, 2585, 3652, 3901, 4565, 5170, 7802, 9130, 10340, 15604, 18260, 19505, 39010, 42911, 78020, 85822, 171644, 214555, 429110, 858220]

約数ペア:

[(1, 858220), (2, 429110), (4, 214555), (5, 171644), (10, 85822), (11, 78020), (20, 42911), (22, 39010), (44, 19505), (47, 18260), (55, 15604), (83, 10340), (94, 9130), (110, 7802), (166, 5170), (188, 4565), (220, 3901), (235, 3652), (332, 2585), (415, 2068), (470, 1826), (517, 1660), (830, 1034), (913, 940)]