290290600

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{20443}}^1$

素因数の和:20530

約数の個数: 48

約数和(自身を含む): 684465120

約数和(自身を除く): 394174520

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1420, 1775, 2840, 3550, 7100, 14200, 20443, 40886, 81772, 102215, 163544, 204430, 408860, 511075, 817720, 1022150, 1451453, 2044300, 2902906, 4088600, 5805812, 7257265, 11611624, 14514530, 29029060, 36286325, 58058120, 72572650, 145145300, 290290600]

約数ペア:

[(1, 290290600), (2, 145145300), (4, 72572650), (5, 58058120), (8, 36286325), (10, 29029060), (20, 14514530), (25, 11611624), (40, 7257265), (50, 5805812), (71, 4088600), (100, 2902906), (142, 2044300), (200, 1451453), (284, 1022150), (355, 817720), (568, 511075), (710, 408860), (1420, 204430), (1775, 163544), (2840, 102215), (3550, 81772), (7100, 40886), (14200, 20443)]