388637360

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2521}}^1$

素因数の和:2622

約数の個数: 80

約数和(自身を含む): 945689472

約数和(自身を除く): 557052112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 47, 80, 82, 94, 164, 188, 205, 235, 328, 376, 410, 470, 656, 752, 820, 940, 1640, 1880, 1927, 2521, 3280, 3760, 3854, 5042, 7708, 9635, 10084, 12605, 15416, 19270, 20168, 25210, 30832, 38540, 40336, 50420, 77080, 100840, 103361, 118487, 154160, 201680, 206722, 236974, 413444, 473948, 516805, 592435, 826888, 947896, 1033610, 1184870, 1653776, 1895792, 2067220, 2369740, 4134440, 4739480, 4857967, 8268880, 9478960, 9715934, 19431868, 24289835, 38863736, 48579670, 77727472, 97159340, 194318680, 388637360]

約数ペア:

[(1, 388637360), (2, 194318680), (4, 97159340), (5, 77727472), (8, 48579670), (10, 38863736), (16, 24289835), (20, 19431868), (40, 9715934), (41, 9478960), (47, 8268880), (80, 4857967), (82, 4739480), (94, 4134440), (164, 2369740), (188, 2067220), (205, 1895792), (235, 1653776), (328, 1184870), (376, 1033610), (410, 947896), (470, 826888), (656, 592435), (752, 516805), (820, 473948), (940, 413444), (1640, 236974), (1880, 206722), (1927, 201680), (2521, 154160), (3280, 118487), (3760, 103361), (3854, 100840), (5042, 77080), (7708, 50420), (9635, 40336), (10084, 38540), (12605, 30832), (15416, 25210), (19270, 20168)]