85399000

素因数分解:

$2^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:170

約数の個数: 128

約数和(自身を含む): 215654400

約数和(自身を除く): 130255400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 47, 50, 79, 92, 94, 100, 115, 125, 158, 184, 188, 200, 230, 235, 250, 316, 376, 395, 460, 470, 500, 575, 632, 790, 920, 940, 1000, 1081, 1150, 1175, 1580, 1817, 1880, 1975, 2162, 2300, 2350, 2875, 3160, 3634, 3713, 3950, 4324, 4600, 4700, 5405, 5750, 5875, 7268, 7426, 7900, 8648, 9085, 9400, 9875, 10810, 11500, 11750, 14536, 14852, 15800, 18170, 18565, 19750, 21620, 23000, 23500, 27025, 29704, 36340, 37130, 39500, 43240, 45425, 47000, 54050, 72680, 74260, 79000, 85399, 90850, 92825, 108100, 135125, 148520, 170798, 181700, 185650, 216200, 227125, 270250, 341596, 363400, 371300, 426995, 454250, 464125, 540500, 683192, 742600, 853990, 908500, 928250, 1081000, 1707980, 1817000, 1856500, 2134975, 3415960, 3713000, 4269950, 8539900, 10674875, 17079800, 21349750, 42699500, 85399000]

約数ペア:

[(1, 85399000), (2, 42699500), (4, 21349750), (5, 17079800), (8, 10674875), (10, 8539900), (20, 4269950), (23, 3713000), (25, 3415960), (40, 2134975), (46, 1856500), (47, 1817000), (50, 1707980), (79, 1081000), (92, 928250), (94, 908500), (100, 853990), (115, 742600), (125, 683192), (158, 540500), (184, 464125), (188, 454250), (200, 426995), (230, 371300), (235, 363400), (250, 341596), (316, 270250), (376, 227125), (395, 216200), (460, 185650), (470, 181700), (500, 170798), (575, 148520), (632, 135125), (790, 108100), (920, 92825), (940, 90850), (1000, 85399), (1081, 79000), (1150, 74260), (1175, 72680), (1580, 54050), (1817, 47000), (1880, 45425), (1975, 43240), (2162, 39500), (2300, 37130), (2350, 36340), (2875, 29704), (3160, 27025), (3634, 23500), (3713, 23000), (3950, 21620), (4324, 19750), (4600, 18565), (4700, 18170), (5405, 15800), (5750, 14852), (5875, 14536), (7268, 11750), (7426, 11500), (7900, 10810), (8648, 9875), (9085, 9400)]