1330375420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{128663}}^1$

素因数の和:128730

約数の個数: 48

約数和(自身を含む): 3112639488

約数和(自身を除く): 1782264068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 10340, 128663, 257326, 514652, 643315, 1286630, 1415293, 2573260, 2830586, 5661172, 6047161, 7076465, 12094322, 14152930, 24188644, 28305860, 30235805, 60471610, 66518771, 120943220, 133037542, 266075084, 332593855, 665187710, 1330375420]

約数ペア:

[(1, 1330375420), (2, 665187710), (4, 332593855), (5, 266075084), (10, 133037542), (11, 120943220), (20, 66518771), (22, 60471610), (44, 30235805), (47, 28305860), (55, 24188644), (94, 14152930), (110, 12094322), (188, 7076465), (220, 6047161), (235, 5661172), (470, 2830586), (517, 2573260), (940, 1415293), (1034, 1286630), (2068, 643315), (2585, 514652), (5170, 257326), (10340, 128663)]