138689080

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1187}}^1$

素因数の和:1348

約数の個数: 64

約数和(自身を含む): 328458240

約数和(自身を除く): 189769160

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 127, 184, 230, 254, 460, 508, 635, 920, 1016, 1187, 1270, 2374, 2540, 2921, 4748, 5080, 5842, 5935, 9496, 11684, 11870, 14605, 23368, 23740, 27301, 29210, 47480, 54602, 58420, 109204, 116840, 136505, 150749, 218408, 273010, 301498, 546020, 602996, 753745, 1092040, 1205992, 1507490, 3014980, 3467227, 6029960, 6934454, 13868908, 17336135, 27737816, 34672270, 69344540, 138689080]

約数ペア:

[(1, 138689080), (2, 69344540), (4, 34672270), (5, 27737816), (8, 17336135), (10, 13868908), (20, 6934454), (23, 6029960), (40, 3467227), (46, 3014980), (92, 1507490), (115, 1205992), (127, 1092040), (184, 753745), (230, 602996), (254, 546020), (460, 301498), (508, 273010), (635, 218408), (920, 150749), (1016, 136505), (1187, 116840), (1270, 109204), (2374, 58420), (2540, 54602), (2921, 47480), (4748, 29210), (5080, 27301), (5842, 23740), (5935, 23368), (9496, 14605), (11684, 11870)]