209588880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{883}}^1$

素因数の和:965

約数の個数: 160

約数和(自身を含む): 694526976

約数和(自身を除く): 484938096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 43, 46, 48, 60, 69, 80, 86, 92, 115, 120, 129, 138, 172, 184, 215, 230, 240, 258, 276, 344, 345, 368, 430, 460, 516, 552, 645, 688, 690, 860, 883, 920, 989, 1032, 1104, 1290, 1380, 1720, 1766, 1840, 1978, 2064, 2580, 2649, 2760, 2967, 3440, 3532, 3956, 4415, 4945, 5160, 5298, 5520, 5934, 7064, 7912, 8830, 9890, 10320, 10596, 11868, 13245, 14128, 14835, 15824, 17660, 19780, 20309, 21192, 23736, 26490, 29670, 35320, 37969, 39560, 40618, 42384, 47472, 52980, 59340, 60927, 70640, 75938, 79120, 81236, 101545, 105960, 113907, 118680, 121854, 151876, 162472, 189845, 203090, 211920, 227814, 237360, 243708, 303752, 304635, 324944, 379690, 406180, 455628, 487416, 569535, 607504, 609270, 759380, 812360, 873287, 911256, 974832, 1139070, 1218540, 1518760, 1624720, 1746574, 1822512, 2278140, 2437080, 2619861, 3037520, 3493148, 4366435, 4556280, 4874160, 5239722, 6986296, 8732870, 9112560, 10479444, 13099305, 13972592, 17465740, 20958888, 26198610, 34931480, 41917776, 52397220, 69862960, 104794440, 209588880]

約数ペア:

[(1, 209588880), (2, 104794440), (3, 69862960), (4, 52397220), (5, 41917776), (6, 34931480), (8, 26198610), (10, 20958888), (12, 17465740), (15, 13972592), (16, 13099305), (20, 10479444), (23, 9112560), (24, 8732870), (30, 6986296), (40, 5239722), (43, 4874160), (46, 4556280), (48, 4366435), (60, 3493148), (69, 3037520), (80, 2619861), (86, 2437080), (92, 2278140), (115, 1822512), (120, 1746574), (129, 1624720), (138, 1518760), (172, 1218540), (184, 1139070), (215, 974832), (230, 911256), (240, 873287), (258, 812360), (276, 759380), (344, 609270), (345, 607504), (368, 569535), (430, 487416), (460, 455628), (516, 406180), (552, 379690), (645, 324944), (688, 304635), (690, 303752), (860, 243708), (883, 237360), (920, 227814), (989, 211920), (1032, 203090), (1104, 189845), (1290, 162472), (1380, 151876), (1720, 121854), (1766, 118680), (1840, 113907), (1978, 105960), (2064, 101545), (2580, 81236), (2649, 79120), (2760, 75938), (2967, 70640), (3440, 60927), (3532, 59340), (3956, 52980), (4415, 47472), (4945, 42384), (5160, 40618), (5298, 39560), (5520, 37969), (5934, 35320), (7064, 29670), (7912, 26490), (8830, 23736), (9890, 21192), (10320, 20309), (10596, 19780), (11868, 17660), (13245, 15824), (14128, 14835)]