1323177740

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{421}}^1\times {\mathrm{941}}^1$

素因数の和:1538

約数の個数: 48

約数和(自身を含む): 2804929344

約数和(自身を除く): 1481751604

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 421, 668, 835, 842, 941, 1670, 1684, 1882, 2105, 3340, 3764, 4210, 4705, 8420, 9410, 18820, 70307, 140614, 157147, 281228, 314294, 351535, 396161, 628588, 703070, 785735, 792322, 1406140, 1571470, 1584644, 1980805, 3142940, 3961610, 7923220, 66158887, 132317774, 264635548, 330794435, 661588870, 1323177740]

約数ペア:

[(1, 1323177740), (2, 661588870), (4, 330794435), (5, 264635548), (10, 132317774), (20, 66158887), (167, 7923220), (334, 3961610), (421, 3142940), (668, 1980805), (835, 1584644), (842, 1571470), (941, 1406140), (1670, 792322), (1684, 785735), (1882, 703070), (2105, 628588), (3340, 396161), (3764, 351535), (4210, 314294), (4705, 281228), (8420, 157147), (9410, 140614), (18820, 70307)]