4425190

素因数分解:

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

素因数の和:853

約数の個数: 48

約数和(自身を含む): 10120464

約数和(自身を除く): 5695274

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 821, 1078, 1642, 2695, 4105, 5390, 5747, 8210, 9031, 11494, 18062, 28735, 40229, 45155, 57470, 63217, 80458, 90310, 126434, 201145, 316085, 402290, 442519, 632170, 885038, 2212595, 4425190]

約数ペア:

[(1, 4425190), (2, 2212595), (5, 885038), (7, 632170), (10, 442519), (11, 402290), (14, 316085), (22, 201145), (35, 126434), (49, 90310), (55, 80458), (70, 63217), (77, 57470), (98, 45155), (110, 40229), (154, 28735), (245, 18062), (385, 11494), (490, 9031), (539, 8210), (770, 5747), (821, 5390), (1078, 4105), (1642, 2695)]