388614820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{10837}}^1$

素因数の和:11020

約数の個数: 48

約数和(自身を含む): 895825728

約数和(自身を除く): 507210908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 163, 220, 326, 652, 815, 1630, 1793, 3260, 3586, 7172, 8965, 10837, 17930, 21674, 35860, 43348, 54185, 108370, 119207, 216740, 238414, 476828, 596035, 1192070, 1766431, 2384140, 3532862, 7065724, 8832155, 17664310, 19430741, 35328620, 38861482, 77722964, 97153705, 194307410, 388614820]

約数ペア:

[(1, 388614820), (2, 194307410), (4, 97153705), (5, 77722964), (10, 38861482), (11, 35328620), (20, 19430741), (22, 17664310), (44, 8832155), (55, 7065724), (110, 3532862), (163, 2384140), (220, 1766431), (326, 1192070), (652, 596035), (815, 476828), (1630, 238414), (1793, 216740), (3260, 119207), (3586, 108370), (7172, 54185), (8965, 43348), (10837, 35860), (17930, 21674)]