396076291280

素因数分解:

$2^4\times 5^1\times {\mathrm{71879}}^1\times {\mathrm{68879}}^1$

素因数の和:140771

約数の個数: 40

約数和(自身を含む): 920903558400

約数和(自身を除く): 524827267120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 68879, 71879, 137758, 143758, 275516, 287516, 344395, 359395, 551032, 575032, 688790, 718790, 1102064, 1150064, 1377580, 1437580, 2755160, 2875160, 5510320, 5750320, 4950953641, 9901907282, 19803814564, 24754768205, 39607629128, 49509536410, 79215258256, 99019072820, 198038145640, 396076291280]

約数ペア:

[(1, 396076291280), (2, 198038145640), (4, 99019072820), (5, 79215258256), (8, 49509536410), (10, 39607629128), (16, 24754768205), (20, 19803814564), (40, 9901907282), (80, 4950953641), (68879, 5750320), (71879, 5510320), (137758, 2875160), (143758, 2755160), (275516, 1437580), (287516, 1377580), (344395, 1150064), (359395, 1102064), (551032, 718790), (575032, 688790)]