77684420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{683}}^1$

素因数の和:761

約数の個数: 72

約数和(自身を含む): 183399552

約数和(自身を除く): 105715132

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 121, 188, 220, 235, 242, 470, 484, 517, 605, 683, 940, 1034, 1210, 1366, 2068, 2420, 2585, 2732, 3415, 5170, 5687, 6830, 7513, 10340, 11374, 13660, 15026, 22748, 28435, 30052, 32101, 37565, 56870, 64202, 75130, 82643, 113740, 128404, 150260, 160505, 165286, 321010, 330572, 353111, 413215, 642020, 706222, 826430, 1412444, 1652860, 1765555, 3531110, 3884221, 7062220, 7768442, 15536884, 19421105, 38842210, 77684420]

約数ペア:

[(1, 77684420), (2, 38842210), (4, 19421105), (5, 15536884), (10, 7768442), (11, 7062220), (20, 3884221), (22, 3531110), (44, 1765555), (47, 1652860), (55, 1412444), (94, 826430), (110, 706222), (121, 642020), (188, 413215), (220, 353111), (235, 330572), (242, 321010), (470, 165286), (484, 160505), (517, 150260), (605, 128404), (683, 113740), (940, 82643), (1034, 75130), (1210, 64202), (1366, 56870), (2068, 37565), (2420, 32101), (2585, 30052), (2732, 28435), (3415, 22748), (5170, 15026), (5687, 13660), (6830, 11374), (7513, 10340)]