164998750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:311

約数の個数: 80

約数和(自身を含む): 358760160

約数和(自身を除く): 193761410

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 109, 125, 173, 175, 218, 250, 346, 350, 545, 625, 763, 865, 875, 1090, 1211, 1250, 1526, 1730, 1750, 2422, 2725, 3815, 4325, 4375, 5450, 6055, 7630, 8650, 8750, 12110, 13625, 18857, 19075, 21625, 27250, 30275, 37714, 38150, 43250, 60550, 68125, 94285, 95375, 108125, 131999, 136250, 151375, 188570, 190750, 216250, 263998, 302750, 471425, 476875, 659995, 756875, 942850, 953750, 1319990, 1513750, 2357125, 3299975, 4714250, 6599950, 11785625, 16499875, 23571250, 32999750, 82499375, 164998750]

約数ペア:

[(1, 164998750), (2, 82499375), (5, 32999750), (7, 23571250), (10, 16499875), (14, 11785625), (25, 6599950), (35, 4714250), (50, 3299975), (70, 2357125), (109, 1513750), (125, 1319990), (173, 953750), (175, 942850), (218, 756875), (250, 659995), (346, 476875), (350, 471425), (545, 302750), (625, 263998), (763, 216250), (865, 190750), (875, 188570), (1090, 151375), (1211, 136250), (1250, 131999), (1526, 108125), (1730, 95375), (1750, 94285), (2422, 68125), (2725, 60550), (3815, 43250), (4325, 38150), (4375, 37714), (5450, 30275), (6055, 27250), (7630, 21625), (8650, 19075), (8750, 18857), (12110, 13625)]