129526990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{21991}}^1$

素因数の和:22048

約数の個数: 32

約数和(自身を含む): 253347840

約数和(自身を除く): 123820850

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 5890, 21991, 43982, 109955, 219910, 417829, 681721, 835658, 1363442, 2089145, 3408605, 4178290, 6817210, 12952699, 25905398, 64763495, 129526990]

約数ペア:

[(1, 129526990), (2, 64763495), (5, 25905398), (10, 12952699), (19, 6817210), (31, 4178290), (38, 3408605), (62, 2089145), (95, 1363442), (155, 835658), (190, 681721), (310, 417829), (589, 219910), (1178, 109955), (2945, 43982), (5890, 21991)]