8850380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{821}}^1$

素因数の和:855

約数の個数: 72

約数和(自身を含む): 23614416

約数和(自身を除く): 14764036

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 821, 980, 1078, 1540, 1642, 2156, 2695, 3284, 4105, 5390, 5747, 8210, 9031, 10780, 11494, 16420, 18062, 22988, 28735, 36124, 40229, 45155, 57470, 63217, 80458, 90310, 114940, 126434, 160916, 180620, 201145, 252868, 316085, 402290, 442519, 632170, 804580, 885038, 1264340, 1770076, 2212595, 4425190, 8850380]

約数ペア:

[(1, 8850380), (2, 4425190), (4, 2212595), (5, 1770076), (7, 1264340), (10, 885038), (11, 804580), (14, 632170), (20, 442519), (22, 402290), (28, 316085), (35, 252868), (44, 201145), (49, 180620), (55, 160916), (70, 126434), (77, 114940), (98, 90310), (110, 80458), (140, 63217), (154, 57470), (196, 45155), (220, 40229), (245, 36124), (308, 28735), (385, 22988), (490, 18062), (539, 16420), (770, 11494), (821, 10780), (980, 9031), (1078, 8210), (1540, 5747), (1642, 5390), (2156, 4105), (2695, 3284)]