191251840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:340

約数の個数: 128

約数和(自身を含む): 499000320

約数和(自身を除く): 307748480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 127, 128, 130, 160, 181, 208, 254, 260, 320, 362, 416, 508, 520, 635, 640, 724, 832, 905, 1016, 1040, 1270, 1448, 1651, 1664, 1810, 2032, 2080, 2353, 2540, 2896, 3302, 3620, 4064, 4160, 4706, 5080, 5792, 6604, 7240, 8128, 8255, 8320, 9412, 10160, 11584, 11765, 13208, 14480, 16256, 16510, 18824, 20320, 22987, 23168, 23530, 26416, 28960, 33020, 37648, 40640, 45974, 47060, 52832, 57920, 66040, 75296, 81280, 91948, 94120, 105664, 114935, 115840, 132080, 150592, 183896, 188240, 211328, 229870, 264160, 298831, 301184, 367792, 376480, 459740, 528320, 597662, 735584, 752960, 919480, 1056640, 1195324, 1471168, 1494155, 1505920, 1838960, 2390648, 2942336, 2988310, 3677920, 4781296, 5976620, 7355840, 9562592, 11953240, 14711680, 19125184, 23906480, 38250368, 47812960, 95625920, 191251840]

約数ペア:

[(1, 191251840), (2, 95625920), (4, 47812960), (5, 38250368), (8, 23906480), (10, 19125184), (13, 14711680), (16, 11953240), (20, 9562592), (26, 7355840), (32, 5976620), (40, 4781296), (52, 3677920), (64, 2988310), (65, 2942336), (80, 2390648), (104, 1838960), (127, 1505920), (128, 1494155), (130, 1471168), (160, 1195324), (181, 1056640), (208, 919480), (254, 752960), (260, 735584), (320, 597662), (362, 528320), (416, 459740), (508, 376480), (520, 367792), (635, 301184), (640, 298831), (724, 264160), (832, 229870), (905, 211328), (1016, 188240), (1040, 183896), (1270, 150592), (1448, 132080), (1651, 115840), (1664, 114935), (1810, 105664), (2032, 94120), (2080, 91948), (2353, 81280), (2540, 75296), (2896, 66040), (3302, 57920), (3620, 52832), (4064, 47060), (4160, 45974), (4706, 40640), (5080, 37648), (5792, 33020), (6604, 28960), (7240, 26416), (8128, 23530), (8255, 23168), (8320, 22987), (9412, 20320), (10160, 18824), (11584, 16510), (11765, 16256), (13208, 14480)]