201989920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 192

約数和(自身を含む): 567616896

約数和(自身を除く): 365626976

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 43, 44, 55, 68, 80, 85, 86, 88, 110, 136, 157, 160, 170, 172, 176, 187, 215, 220, 272, 314, 340, 344, 352, 374, 430, 440, 473, 544, 628, 680, 688, 731, 748, 785, 860, 880, 935, 946, 1256, 1360, 1376, 1462, 1496, 1570, 1720, 1727, 1760, 1870, 1892, 2365, 2512, 2669, 2720, 2924, 2992, 3140, 3440, 3454, 3655, 3740, 3784, 4730, 5024, 5338, 5848, 5984, 6280, 6751, 6880, 6908, 7310, 7480, 7568, 8041, 8635, 9460, 10676, 11696, 12560, 13345, 13502, 13816, 14620, 14960, 15136, 16082, 17270, 18920, 21352, 23392, 25120, 26690, 27004, 27632, 29240, 29359, 29920, 32164, 33755, 34540, 37840, 40205, 42704, 53380, 54008, 55264, 58480, 58718, 64328, 67510, 69080, 74261, 75680, 80410, 85408, 106760, 108016, 114767, 116960, 117436, 128656, 135020, 138160, 146795, 148522, 160820, 213520, 216032, 229534, 234872, 257312, 270040, 276320, 293590, 297044, 321640, 371305, 427040, 459068, 469744, 540080, 573835, 587180, 594088, 643280, 742610, 918136, 939488, 1080160, 1147670, 1174360, 1188176, 1262437, 1286560, 1485220, 1836272, 2295340, 2348720, 2376352, 2524874, 2970440, 3672544, 4590680, 4697440, 5049748, 5940880, 6312185, 9181360, 10099496, 11881760, 12624370, 18362720, 20198992, 25248740, 40397984, 50497480, 100994960, 201989920]

約数ペア:

[(1, 201989920), (2, 100994960), (4, 50497480), (5, 40397984), (8, 25248740), (10, 20198992), (11, 18362720), (16, 12624370), (17, 11881760), (20, 10099496), (22, 9181360), (32, 6312185), (34, 5940880), (40, 5049748), (43, 4697440), (44, 4590680), (55, 3672544), (68, 2970440), (80, 2524874), (85, 2376352), (86, 2348720), (88, 2295340), (110, 1836272), (136, 1485220), (157, 1286560), (160, 1262437), (170, 1188176), (172, 1174360), (176, 1147670), (187, 1080160), (215, 939488), (220, 918136), (272, 742610), (314, 643280), (340, 594088), (344, 587180), (352, 573835), (374, 540080), (430, 469744), (440, 459068), (473, 427040), (544, 371305), (628, 321640), (680, 297044), (688, 293590), (731, 276320), (748, 270040), (785, 257312), (860, 234872), (880, 229534), (935, 216032), (946, 213520), (1256, 160820), (1360, 148522), (1376, 146795), (1462, 138160), (1496, 135020), (1570, 128656), (1720, 117436), (1727, 116960), (1760, 114767), (1870, 108016), (1892, 106760), (2365, 85408), (2512, 80410), (2669, 75680), (2720, 74261), (2924, 69080), (2992, 67510), (3140, 64328), (3440, 58718), (3454, 58480), (3655, 55264), (3740, 54008), (3784, 53380), (4730, 42704), (5024, 40205), (5338, 37840), (5848, 34540), (5984, 33755), (6280, 32164), (6751, 29920), (6880, 29359), (6908, 29240), (7310, 27632), (7480, 27004), (7568, 26690), (8041, 25120), (8635, 23392), (9460, 21352), (10676, 18920), (11696, 17270), (12560, 16082), (13345, 15136), (13502, 14960), (13816, 14620)]