221179520

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{701}}^1$

素因数の和:766

約数の個数: 128

約数和(自身を含む): 579992400

約数和(自身を除く): 358812880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 64, 68, 80, 85, 116, 128, 136, 145, 160, 170, 232, 272, 290, 320, 340, 464, 493, 544, 580, 640, 680, 701, 928, 986, 1088, 1160, 1360, 1402, 1856, 1972, 2176, 2320, 2465, 2720, 2804, 3505, 3712, 3944, 4640, 4930, 5440, 5608, 7010, 7888, 9280, 9860, 10880, 11216, 11917, 14020, 15776, 18560, 19720, 20329, 22432, 23834, 28040, 31552, 39440, 40658, 44864, 47668, 56080, 59585, 63104, 78880, 81316, 89728, 95336, 101645, 112160, 119170, 157760, 162632, 190672, 203290, 224320, 238340, 315520, 325264, 345593, 381344, 406580, 448640, 476680, 650528, 691186, 762688, 813160, 953360, 1301056, 1382372, 1525376, 1626320, 1727965, 1906720, 2602112, 2764744, 3252640, 3455930, 3813440, 5529488, 6505280, 6911860, 7626880, 11058976, 13010560, 13823720, 22117952, 27647440, 44235904, 55294880, 110589760, 221179520]

約数ペア:

[(1, 221179520), (2, 110589760), (4, 55294880), (5, 44235904), (8, 27647440), (10, 22117952), (16, 13823720), (17, 13010560), (20, 11058976), (29, 7626880), (32, 6911860), (34, 6505280), (40, 5529488), (58, 3813440), (64, 3455930), (68, 3252640), (80, 2764744), (85, 2602112), (116, 1906720), (128, 1727965), (136, 1626320), (145, 1525376), (160, 1382372), (170, 1301056), (232, 953360), (272, 813160), (290, 762688), (320, 691186), (340, 650528), (464, 476680), (493, 448640), (544, 406580), (580, 381344), (640, 345593), (680, 325264), (701, 315520), (928, 238340), (986, 224320), (1088, 203290), (1160, 190672), (1360, 162632), (1402, 157760), (1856, 119170), (1972, 112160), (2176, 101645), (2320, 95336), (2465, 89728), (2720, 81316), (2804, 78880), (3505, 63104), (3712, 59585), (3944, 56080), (4640, 47668), (4930, 44864), (5440, 40658), (5608, 39440), (7010, 31552), (7888, 28040), (9280, 23834), (9860, 22432), (10880, 20329), (11216, 19720), (11917, 18560), (14020, 15776)]