91213840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1427}}^1$

素因数の和:1504

約数の個数: 80

約数和(自身を含む): 229485312

約数和(自身を除く): 138271472

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 235, 272, 340, 376, 470, 680, 752, 799, 940, 1360, 1427, 1598, 1880, 2854, 3196, 3760, 3995, 5708, 6392, 7135, 7990, 11416, 12784, 14270, 15980, 22832, 24259, 28540, 31960, 48518, 57080, 63920, 67069, 97036, 114160, 121295, 134138, 194072, 242590, 268276, 335345, 388144, 485180, 536552, 670690, 970360, 1073104, 1140173, 1341380, 1940720, 2280346, 2682760, 4560692, 5365520, 5700865, 9121384, 11401730, 18242768, 22803460, 45606920, 91213840]

約数ペア:

[(1, 91213840), (2, 45606920), (4, 22803460), (5, 18242768), (8, 11401730), (10, 9121384), (16, 5700865), (17, 5365520), (20, 4560692), (34, 2682760), (40, 2280346), (47, 1940720), (68, 1341380), (80, 1140173), (85, 1073104), (94, 970360), (136, 670690), (170, 536552), (188, 485180), (235, 388144), (272, 335345), (340, 268276), (376, 242590), (470, 194072), (680, 134138), (752, 121295), (799, 114160), (940, 97036), (1360, 67069), (1427, 63920), (1598, 57080), (1880, 48518), (2854, 31960), (3196, 28540), (3760, 24259), (3995, 22832), (5708, 15980), (6392, 14270), (7135, 12784), (7990, 11416)]