210221440

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2297}}^1$

素因数の和:2340

約数の個数: 128

約数和(自身を含む): 590677920

約数和(自身を除く): 380456480

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 176, 208, 220, 260, 286, 320, 352, 416, 440, 520, 572, 640, 704, 715, 832, 880, 1040, 1144, 1408, 1430, 1664, 1760, 2080, 2288, 2297, 2860, 3520, 4160, 4576, 4594, 5720, 7040, 8320, 9152, 9188, 11440, 11485, 18304, 18376, 22880, 22970, 25267, 29861, 36752, 45760, 45940, 50534, 59722, 73504, 91520, 91880, 101068, 119444, 126335, 147008, 149305, 183760, 202136, 238888, 252670, 294016, 298610, 328471, 367520, 404272, 477776, 505340, 597220, 656942, 735040, 808544, 955552, 1010680, 1194440, 1313884, 1470080, 1617088, 1642355, 1911104, 2021360, 2388880, 2627768, 3234176, 3284710, 3822208, 4042720, 4777760, 5255536, 6569420, 8085440, 9555520, 10511072, 13138840, 16170880, 19111040, 21022144, 26277680, 42044288, 52555360, 105110720, 210221440]

約数ペア:

[(1, 210221440), (2, 105110720), (4, 52555360), (5, 42044288), (8, 26277680), (10, 21022144), (11, 19111040), (13, 16170880), (16, 13138840), (20, 10511072), (22, 9555520), (26, 8085440), (32, 6569420), (40, 5255536), (44, 4777760), (52, 4042720), (55, 3822208), (64, 3284710), (65, 3234176), (80, 2627768), (88, 2388880), (104, 2021360), (110, 1911104), (128, 1642355), (130, 1617088), (143, 1470080), (160, 1313884), (176, 1194440), (208, 1010680), (220, 955552), (260, 808544), (286, 735040), (320, 656942), (352, 597220), (416, 505340), (440, 477776), (520, 404272), (572, 367520), (640, 328471), (704, 298610), (715, 294016), (832, 252670), (880, 238888), (1040, 202136), (1144, 183760), (1408, 149305), (1430, 147008), (1664, 126335), (1760, 119444), (2080, 101068), (2288, 91880), (2297, 91520), (2860, 73504), (3520, 59722), (4160, 50534), (4576, 45940), (4594, 45760), (5720, 36752), (7040, 29861), (8320, 25267), (9152, 22970), (9188, 22880), (11440, 18376), (11485, 18304)]