164245000

素因数分解:

$2^3\times 5^4\times {\mathrm{107}}^1\times {\mathrm{307}}^1$

素因数の和:440

約数の個数: 80

約数和(自身を含む): 389687760

約数和(自身を除く): 225442760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 107, 125, 200, 214, 250, 307, 428, 500, 535, 614, 625, 856, 1000, 1070, 1228, 1250, 1535, 2140, 2456, 2500, 2675, 3070, 4280, 5000, 5350, 6140, 7675, 10700, 12280, 13375, 15350, 21400, 26750, 30700, 32849, 38375, 53500, 61400, 65698, 66875, 76750, 107000, 131396, 133750, 153500, 164245, 191875, 262792, 267500, 307000, 328490, 383750, 535000, 656980, 767500, 821225, 1313960, 1535000, 1642450, 3284900, 4106125, 6569800, 8212250, 16424500, 20530625, 32849000, 41061250, 82122500, 164245000]

約数ペア:

[(1, 164245000), (2, 82122500), (4, 41061250), (5, 32849000), (8, 20530625), (10, 16424500), (20, 8212250), (25, 6569800), (40, 4106125), (50, 3284900), (100, 1642450), (107, 1535000), (125, 1313960), (200, 821225), (214, 767500), (250, 656980), (307, 535000), (428, 383750), (500, 328490), (535, 307000), (614, 267500), (625, 262792), (856, 191875), (1000, 164245), (1070, 153500), (1228, 133750), (1250, 131396), (1535, 107000), (2140, 76750), (2456, 66875), (2500, 65698), (2675, 61400), (3070, 53500), (4280, 38375), (5000, 32849), (5350, 30700), (6140, 26750), (7675, 21400), (10700, 15350), (12280, 13375)]