89191000

素因数分解:

$2^3\times 5^3\times {\mathrm{79}}^1\times {\mathrm{1129}}^1$

素因数の和:1229

約数の個数: 64

約数和(自身を含む): 211536000

約数和(自身を除く): 122345000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 125, 158, 200, 250, 316, 395, 500, 632, 790, 1000, 1129, 1580, 1975, 2258, 3160, 3950, 4516, 5645, 7900, 9032, 9875, 11290, 15800, 19750, 22580, 28225, 39500, 45160, 56450, 79000, 89191, 112900, 141125, 178382, 225800, 282250, 356764, 445955, 564500, 713528, 891910, 1129000, 1783820, 2229775, 3567640, 4459550, 8919100, 11148875, 17838200, 22297750, 44595500, 89191000]

約数ペア:

[(1, 89191000), (2, 44595500), (4, 22297750), (5, 17838200), (8, 11148875), (10, 8919100), (20, 4459550), (25, 3567640), (40, 2229775), (50, 1783820), (79, 1129000), (100, 891910), (125, 713528), (158, 564500), (200, 445955), (250, 356764), (316, 282250), (395, 225800), (500, 178382), (632, 141125), (790, 112900), (1000, 89191), (1129, 79000), (1580, 56450), (1975, 45160), (2258, 39500), (3160, 28225), (3950, 22580), (4516, 19750), (5645, 15800), (7900, 11290), (9032, 9875)]