2832280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 7166880

約数和(自身を除く): 4334600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 157, 164, 205, 220, 314, 328, 410, 440, 451, 628, 785, 820, 902, 1256, 1570, 1640, 1727, 1804, 2255, 3140, 3454, 3608, 4510, 6280, 6437, 6908, 8635, 9020, 12874, 13816, 17270, 18040, 25748, 32185, 34540, 51496, 64370, 69080, 70807, 128740, 141614, 257480, 283228, 354035, 566456, 708070, 1416140, 2832280]

約数ペア:

[(1, 2832280), (2, 1416140), (4, 708070), (5, 566456), (8, 354035), (10, 283228), (11, 257480), (20, 141614), (22, 128740), (40, 70807), (41, 69080), (44, 64370), (55, 51496), (82, 34540), (88, 32185), (110, 25748), (157, 18040), (164, 17270), (205, 13816), (220, 12874), (314, 9020), (328, 8635), (410, 6908), (440, 6437), (451, 6280), (628, 4510), (785, 3608), (820, 3454), (902, 3140), (1256, 2255), (1570, 1804), (1640, 1727)]