7814180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3229}}^1$

素因数の和:3260

約数の個数: 36

約数和(自身を含む): 18042780

約数和(自身を除く): 10228600

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 3229, 6458, 12916, 16145, 32290, 35519, 64580, 71038, 142076, 177595, 355190, 390709, 710380, 781418, 1562836, 1953545, 3907090, 7814180]

約数ペア:

[(1, 7814180), (2, 3907090), (4, 1953545), (5, 1562836), (10, 781418), (11, 710380), (20, 390709), (22, 355190), (44, 177595), (55, 142076), (110, 71038), (121, 64580), (220, 35519), (242, 32290), (484, 16145), (605, 12916), (1210, 6458), (2420, 3229)]