68998820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{6673}}^1$

素因数の和:6740

約数の個数: 48

約数和(自身を含む): 161457408

約数和(自身を除く): 92458588

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, 6673, 10340, 13346, 26692, 33365, 66730, 73403, 133460, 146806, 293612, 313631, 367015, 627262, 734030, 1254524, 1468060, 1568155, 3136310, 3449941, 6272620, 6899882, 13799764, 17249705, 34499410, 68998820]

約数ペア:

[(1, 68998820), (2, 34499410), (4, 17249705), (5, 13799764), (10, 6899882), (11, 6272620), (20, 3449941), (22, 3136310), (44, 1568155), (47, 1468060), (55, 1254524), (94, 734030), (110, 627262), (188, 367015), (220, 313631), (235, 293612), (470, 146806), (517, 133460), (940, 73403), (1034, 66730), (2068, 33365), (2585, 26692), (5170, 13346), (6673, 10340)]