100112980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{1009}}^1$

素因数の和:1081

約数の個数: 72

約数和(自身を含む): 236958120

約数和(自身を除く): 136845140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 121, 164, 205, 220, 242, 410, 451, 484, 605, 820, 902, 1009, 1210, 1804, 2018, 2255, 2420, 4036, 4510, 4961, 5045, 9020, 9922, 10090, 11099, 19844, 20180, 22198, 24805, 41369, 44396, 49610, 55495, 82738, 99220, 110990, 122089, 165476, 206845, 221980, 244178, 413690, 455059, 488356, 610445, 827380, 910118, 1220890, 1820236, 2275295, 2441780, 4550590, 5005649, 9101180, 10011298, 20022596, 25028245, 50056490, 100112980]

約数ペア:

[(1, 100112980), (2, 50056490), (4, 25028245), (5, 20022596), (10, 10011298), (11, 9101180), (20, 5005649), (22, 4550590), (41, 2441780), (44, 2275295), (55, 1820236), (82, 1220890), (110, 910118), (121, 827380), (164, 610445), (205, 488356), (220, 455059), (242, 413690), (410, 244178), (451, 221980), (484, 206845), (605, 165476), (820, 122089), (902, 110990), (1009, 99220), (1210, 82738), (1804, 55495), (2018, 49610), (2255, 44396), (2420, 41369), (4036, 24805), (4510, 22198), (4961, 20180), (5045, 19844), (9020, 11099), (9922, 10090)]