202115980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{1777}}^1$

素因数の和:1855

約数の個数: 72

約数和(自身を含む): 476731584

約数和(自身を除く): 274615604

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, 940, 1034, 1210, 1777, 2068, 2420, 2585, 3554, 5170, 5687, 7108, 8885, 10340, 11374, 17770, 19547, 22748, 28435, 35540, 39094, 56870, 78188, 83519, 97735, 113740, 167038, 195470, 215017, 334076, 390940, 417595, 430034, 835190, 860068, 918709, 1075085, 1670380, 1837418, 2150170, 3674836, 4300340, 4593545, 9187090, 10105799, 18374180, 20211598, 40423196, 50528995, 101057990, 202115980]

約数ペア:

[(1, 202115980), (2, 101057990), (4, 50528995), (5, 40423196), (10, 20211598), (11, 18374180), (20, 10105799), (22, 9187090), (44, 4593545), (47, 4300340), (55, 3674836), (94, 2150170), (110, 1837418), (121, 1670380), (188, 1075085), (220, 918709), (235, 860068), (242, 835190), (470, 430034), (484, 417595), (517, 390940), (605, 334076), (940, 215017), (1034, 195470), (1210, 167038), (1777, 113740), (2068, 97735), (2420, 83519), (2585, 78188), (3554, 56870), (5170, 39094), (5687, 35540), (7108, 28435), (8885, 22748), (10340, 19547), (11374, 17770)]