720667050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{208889}}^1$

素因数の和:208927

約数の個数: 48

約数和(自身を含む): 1864969920

約数和(自身を除く): 1144302870

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 115, 138, 150, 230, 345, 575, 690, 1150, 1725, 3450, 208889, 417778, 626667, 1044445, 1253334, 2088890, 3133335, 4804447, 5222225, 6266670, 9608894, 10444450, 14413341, 15666675, 24022235, 28826682, 31333350, 48044470, 72066705, 120111175, 144133410, 240222350, 360333525, 720667050]

約数ペア:

[(1, 720667050), (2, 360333525), (3, 240222350), (5, 144133410), (6, 120111175), (10, 72066705), (15, 48044470), (23, 31333350), (25, 28826682), (30, 24022235), (46, 15666675), (50, 14413341), (69, 10444450), (75, 9608894), (115, 6266670), (138, 5222225), (150, 4804447), (230, 3133335), (345, 2088890), (575, 1253334), (690, 1044445), (1150, 626667), (1725, 417778), (3450, 208889)]