4054220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 9192960

約数和(自身を除く): 5138740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 227, 235, 380, 454, 470, 893, 908, 940, 1135, 1786, 2270, 3572, 4313, 4465, 4540, 8626, 8930, 10669, 17252, 17860, 21338, 21565, 42676, 43130, 53345, 86260, 106690, 202711, 213380, 405422, 810844, 1013555, 2027110, 4054220]

約数ペア:

[(1, 4054220), (2, 2027110), (4, 1013555), (5, 810844), (10, 405422), (19, 213380), (20, 202711), (38, 106690), (47, 86260), (76, 53345), (94, 43130), (95, 42676), (188, 21565), (190, 21338), (227, 17860), (235, 17252), (380, 10669), (454, 8930), (470, 8626), (893, 4540), (908, 4465), (940, 4313), (1135, 3572), (1786, 2270)]