990887840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:439

約数の個数: 192

約数和(自身を含む): 2649314304

約数和(自身を除く): 1658426464

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 47, 68, 80, 85, 92, 94, 115, 136, 160, 170, 184, 188, 230, 235, 272, 337, 340, 368, 376, 391, 460, 470, 544, 674, 680, 736, 752, 782, 799, 920, 940, 1081, 1348, 1360, 1504, 1564, 1598, 1685, 1840, 1880, 1955, 2162, 2696, 2720, 3128, 3196, 3370, 3680, 3760, 3910, 3995, 4324, 5392, 5405, 5729, 6256, 6392, 6740, 7520, 7751, 7820, 7990, 8648, 10784, 10810, 11458, 12512, 12784, 13480, 15502, 15640, 15839, 15980, 17296, 18377, 21620, 22916, 25568, 26960, 28645, 31004, 31280, 31678, 31960, 34592, 36754, 38755, 43240, 45832, 53920, 57290, 62008, 62560, 63356, 63920, 73508, 77510, 79195, 86480, 91664, 91885, 114580, 124016, 126712, 127840, 131767, 147016, 155020, 158390, 172960, 183328, 183770, 229160, 248032, 253424, 263534, 269263, 294032, 310040, 316780, 364297, 367540, 458320, 506848, 527068, 538526, 588064, 620080, 633560, 658835, 728594, 735080, 916640, 1054136, 1077052, 1240160, 1267120, 1317670, 1346315, 1457188, 1470160, 1821485, 2108272, 2154104, 2534240, 2635340, 2692630, 2914376, 2940320, 3642970, 4216544, 4308208, 5270680, 5385260, 5828752, 6193049, 7285940, 8616416, 10541360, 10770520, 11657504, 12386098, 14571880, 21082720, 21541040, 24772196, 29143760, 30965245, 43082080, 49544392, 58287520, 61930490, 99088784, 123860980, 198177568, 247721960, 495443920, 990887840]

約数ペア:

[(1, 990887840), (2, 495443920), (4, 247721960), (5, 198177568), (8, 123860980), (10, 99088784), (16, 61930490), (17, 58287520), (20, 49544392), (23, 43082080), (32, 30965245), (34, 29143760), (40, 24772196), (46, 21541040), (47, 21082720), (68, 14571880), (80, 12386098), (85, 11657504), (92, 10770520), (94, 10541360), (115, 8616416), (136, 7285940), (160, 6193049), (170, 5828752), (184, 5385260), (188, 5270680), (230, 4308208), (235, 4216544), (272, 3642970), (337, 2940320), (340, 2914376), (368, 2692630), (376, 2635340), (391, 2534240), (460, 2154104), (470, 2108272), (544, 1821485), (674, 1470160), (680, 1457188), (736, 1346315), (752, 1317670), (782, 1267120), (799, 1240160), (920, 1077052), (940, 1054136), (1081, 916640), (1348, 735080), (1360, 728594), (1504, 658835), (1564, 633560), (1598, 620080), (1685, 588064), (1840, 538526), (1880, 527068), (1955, 506848), (2162, 458320), (2696, 367540), (2720, 364297), (3128, 316780), (3196, 310040), (3370, 294032), (3680, 269263), (3760, 263534), (3910, 253424), (3995, 248032), (4324, 229160), (5392, 183770), (5405, 183328), (5729, 172960), (6256, 158390), (6392, 155020), (6740, 147016), (7520, 131767), (7751, 127840), (7820, 126712), (7990, 124016), (8648, 114580), (10784, 91885), (10810, 91664), (11458, 86480), (12512, 79195), (12784, 77510), (13480, 73508), (15502, 63920), (15640, 63356), (15839, 62560), (15980, 62008), (17296, 57290), (18377, 53920), (21620, 45832), (22916, 43240), (25568, 38755), (26960, 36754), (28645, 34592), (31004, 31960), (31280, 31678)]