167957500

素因数分解:

$2^2\times 5^4\times {\mathrm{23}}^2\times {\mathrm{127}}^1$

素因数の和:197

約数の個数: 90

約数和(自身を含む): 386976128

約数和(自身を除く): 219018628

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 125, 127, 230, 250, 254, 460, 500, 508, 529, 575, 625, 635, 1058, 1150, 1250, 1270, 2116, 2300, 2500, 2540, 2645, 2875, 2921, 3175, 5290, 5750, 5842, 6350, 10580, 11500, 11684, 12700, 13225, 14375, 14605, 15875, 26450, 28750, 29210, 31750, 52900, 57500, 58420, 63500, 66125, 67183, 73025, 79375, 132250, 134366, 146050, 158750, 264500, 268732, 292100, 317500, 330625, 335915, 365125, 661250, 671830, 730250, 1322500, 1343660, 1460500, 1679575, 1825625, 3359150, 3651250, 6718300, 7302500, 8397875, 16795750, 33591500, 41989375, 83978750, 167957500]

約数ペア:

[(1, 167957500), (2, 83978750), (4, 41989375), (5, 33591500), (10, 16795750), (20, 8397875), (23, 7302500), (25, 6718300), (46, 3651250), (50, 3359150), (92, 1825625), (100, 1679575), (115, 1460500), (125, 1343660), (127, 1322500), (230, 730250), (250, 671830), (254, 661250), (460, 365125), (500, 335915), (508, 330625), (529, 317500), (575, 292100), (625, 268732), (635, 264500), (1058, 158750), (1150, 146050), (1250, 134366), (1270, 132250), (2116, 79375), (2300, 73025), (2500, 67183), (2540, 66125), (2645, 63500), (2875, 58420), (2921, 57500), (3175, 52900), (5290, 31750), (5750, 29210), (5842, 28750), (6350, 26450), (10580, 15875), (11500, 14605), (11684, 14375), (12700, 13225)]