49951000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:290

約数の個数: 128

約数和(自身を含む): 134784000

約数和(自身を除く): 84833000

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 25, 38, 40, 44, 50, 55, 76, 88, 95, 100, 110, 125, 152, 190, 200, 209, 220, 239, 250, 275, 380, 418, 440, 475, 478, 500, 550, 760, 836, 950, 956, 1000, 1045, 1100, 1195, 1375, 1672, 1900, 1912, 2090, 2200, 2375, 2390, 2629, 2750, 3800, 4180, 4541, 4750, 4780, 5225, 5258, 5500, 5975, 8360, 9082, 9500, 9560, 10450, 10516, 11000, 11950, 13145, 18164, 19000, 20900, 21032, 22705, 23900, 26125, 26290, 29875, 36328, 41800, 45410, 47800, 49951, 52250, 52580, 59750, 65725, 90820, 99902, 104500, 105160, 113525, 119500, 131450, 181640, 199804, 209000, 227050, 239000, 249755, 262900, 328625, 399608, 454100, 499510, 525800, 567625, 657250, 908200, 999020, 1135250, 1248775, 1314500, 1998040, 2270500, 2497550, 2629000, 4541000, 4995100, 6243875, 9990200, 12487750, 24975500, 49951000]

約数ペア:

[(1, 49951000), (2, 24975500), (4, 12487750), (5, 9990200), (8, 6243875), (10, 4995100), (11, 4541000), (19, 2629000), (20, 2497550), (22, 2270500), (25, 1998040), (38, 1314500), (40, 1248775), (44, 1135250), (50, 999020), (55, 908200), (76, 657250), (88, 567625), (95, 525800), (100, 499510), (110, 454100), (125, 399608), (152, 328625), (190, 262900), (200, 249755), (209, 239000), (220, 227050), (239, 209000), (250, 199804), (275, 181640), (380, 131450), (418, 119500), (440, 113525), (475, 105160), (478, 104500), (500, 99902), (550, 90820), (760, 65725), (836, 59750), (950, 52580), (956, 52250), (1000, 49951), (1045, 47800), (1100, 45410), (1195, 41800), (1375, 36328), (1672, 29875), (1900, 26290), (1912, 26125), (2090, 23900), (2200, 22705), (2375, 21032), (2390, 20900), (2629, 19000), (2750, 18164), (3800, 13145), (4180, 11950), (4541, 11000), (4750, 10516), (4780, 10450), (5225, 9560), (5258, 9500), (5500, 9082), (5975, 8360)]