19706000

素因数分解:

$2^4\times 5^3\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:249

約数の個数: 80

約数和(自身を含む): 48746880

約数和(自身を除く): 29040880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 59, 80, 100, 118, 125, 167, 200, 236, 250, 295, 334, 400, 472, 500, 590, 668, 835, 944, 1000, 1180, 1336, 1475, 1670, 2000, 2360, 2672, 2950, 3340, 4175, 4720, 5900, 6680, 7375, 8350, 9853, 11800, 13360, 14750, 16700, 19706, 20875, 23600, 29500, 33400, 39412, 41750, 49265, 59000, 66800, 78824, 83500, 98530, 118000, 157648, 167000, 197060, 246325, 334000, 394120, 492650, 788240, 985300, 1231625, 1970600, 2463250, 3941200, 4926500, 9853000, 19706000]

約数ペア:

[(1, 19706000), (2, 9853000), (4, 4926500), (5, 3941200), (8, 2463250), (10, 1970600), (16, 1231625), (20, 985300), (25, 788240), (40, 492650), (50, 394120), (59, 334000), (80, 246325), (100, 197060), (118, 167000), (125, 157648), (167, 118000), (200, 98530), (236, 83500), (250, 78824), (295, 66800), (334, 59000), (400, 49265), (472, 41750), (500, 39412), (590, 33400), (668, 29500), (835, 23600), (944, 20875), (1000, 19706), (1180, 16700), (1336, 14750), (1475, 13360), (1670, 11800), (2000, 9853), (2360, 8350), (2672, 7375), (2950, 6680), (3340, 5900), (4175, 4720)]