1857156940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1\times {\mathrm{2837}}^1$

素因数の和:3378

約数の個数: 48

約数和(自身を含む): 3964935744

約数和(自身を除く): 2107778804

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 461, 710, 922, 1420, 1844, 2305, 2837, 4610, 5674, 9220, 11348, 14185, 28370, 32731, 56740, 65462, 130924, 163655, 201427, 327310, 402854, 654620, 805708, 1007135, 1307857, 2014270, 2615714, 4028540, 5231428, 6539285, 13078570, 26157140, 92857847, 185715694, 371431388, 464289235, 928578470, 1857156940]

約数ペア:

[(1, 1857156940), (2, 928578470), (4, 464289235), (5, 371431388), (10, 185715694), (20, 92857847), (71, 26157140), (142, 13078570), (284, 6539285), (355, 5231428), (461, 4028540), (710, 2615714), (922, 2014270), (1420, 1307857), (1844, 1007135), (2305, 805708), (2837, 654620), (4610, 402854), (5674, 327310), (9220, 201427), (11348, 163655), (14185, 130924), (28370, 65462), (32731, 56740)]