399669190

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{829}}^1\times {\mathrm{1303}}^1$

素因数の和:2176

約数の個数: 32

約数和(自身を含む): 740306880

約数和(自身を除く): 340637690

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 829, 1303, 1658, 2606, 4145, 6515, 8290, 13030, 30673, 48211, 61346, 96422, 153365, 241055, 306730, 482110, 1080187, 2160374, 5400935, 10801870, 39966919, 79933838, 199834595, 399669190]

約数ペア:

[(1, 399669190), (2, 199834595), (5, 79933838), (10, 39966919), (37, 10801870), (74, 5400935), (185, 2160374), (370, 1080187), (829, 482110), (1303, 306730), (1658, 241055), (2606, 153365), (4145, 96422), (6515, 61346), (8290, 48211), (13030, 30673)]