211312040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1$

素因数の和:339

約数の個数: 128

約数和(自身を含む): 536544000

約数和(自身を除く): 325231960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 59, 68, 85, 92, 115, 118, 136, 170, 184, 229, 230, 236, 295, 340, 391, 458, 460, 472, 590, 680, 782, 916, 920, 1003, 1145, 1180, 1357, 1564, 1832, 1955, 2006, 2290, 2360, 2714, 3128, 3893, 3910, 4012, 4580, 5015, 5267, 5428, 6785, 7786, 7820, 8024, 9160, 10030, 10534, 10856, 13511, 13570, 15572, 15640, 19465, 20060, 21068, 23069, 26335, 27022, 27140, 31144, 38930, 40120, 42136, 46138, 52670, 54044, 54280, 67555, 77860, 89539, 92276, 105340, 108088, 115345, 135110, 155720, 179078, 184552, 210680, 229687, 230690, 270220, 310753, 358156, 447695, 459374, 461380, 540440, 621506, 716312, 895390, 918748, 922760, 1148435, 1243012, 1553765, 1790780, 1837496, 2296870, 2486024, 3107530, 3581560, 4593740, 5282801, 6215060, 9187480, 10565602, 12430120, 21131204, 26414005, 42262408, 52828010, 105656020, 211312040]

約数ペア:

[(1, 211312040), (2, 105656020), (4, 52828010), (5, 42262408), (8, 26414005), (10, 21131204), (17, 12430120), (20, 10565602), (23, 9187480), (34, 6215060), (40, 5282801), (46, 4593740), (59, 3581560), (68, 3107530), (85, 2486024), (92, 2296870), (115, 1837496), (118, 1790780), (136, 1553765), (170, 1243012), (184, 1148435), (229, 922760), (230, 918748), (236, 895390), (295, 716312), (340, 621506), (391, 540440), (458, 461380), (460, 459374), (472, 447695), (590, 358156), (680, 310753), (782, 270220), (916, 230690), (920, 229687), (1003, 210680), (1145, 184552), (1180, 179078), (1357, 155720), (1564, 135110), (1832, 115345), (1955, 108088), (2006, 105340), (2290, 92276), (2360, 89539), (2714, 77860), (3128, 67555), (3893, 54280), (3910, 54044), (4012, 52670), (4580, 46138), (5015, 42136), (5267, 40120), (5428, 38930), (6785, 31144), (7786, 27140), (7820, 27022), (8024, 26335), (9160, 23069), (10030, 21068), (10534, 20060), (10856, 19465), (13511, 15640), (13570, 15572)]