2080991770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:400

約数の個数: 128

約数和(自身を含む): 4526565120

約数和(自身を除く): 2445573350

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 83, 89, 110, 130, 143, 166, 178, 197, 286, 394, 415, 445, 715, 830, 890, 913, 979, 985, 1079, 1157, 1430, 1826, 1958, 1970, 2158, 2167, 2314, 2561, 4334, 4565, 4895, 5122, 5395, 5785, 7387, 9130, 9790, 10790, 10835, 11570, 11869, 12727, 12805, 14774, 16351, 17533, 21670, 23738, 25454, 25610, 28171, 32702, 35066, 36935, 56342, 59345, 63635, 73870, 81257, 81755, 87665, 96031, 118690, 127270, 140855, 162514, 163510, 175330, 179861, 192062, 192863, 212563, 227929, 281710, 359722, 385726, 406285, 425126, 455858, 480155, 812570, 899305, 960310, 964315, 1056341, 1062815, 1139645, 1455239, 1798610, 1928630, 2112682, 2125630, 2279290, 2338193, 2507219, 2910478, 4676386, 5014438, 5281705, 7276195, 10563410, 11690965, 12536095, 14552390, 16007629, 18918107, 23381930, 25072190, 32015258, 37836214, 80038145, 94590535, 160076290, 189181070, 208099177, 416198354, 1040495885, 2080991770]

約数ペア:

[(1, 2080991770), (2, 1040495885), (5, 416198354), (10, 208099177), (11, 189181070), (13, 160076290), (22, 94590535), (26, 80038145), (55, 37836214), (65, 32015258), (83, 25072190), (89, 23381930), (110, 18918107), (130, 16007629), (143, 14552390), (166, 12536095), (178, 11690965), (197, 10563410), (286, 7276195), (394, 5281705), (415, 5014438), (445, 4676386), (715, 2910478), (830, 2507219), (890, 2338193), (913, 2279290), (979, 2125630), (985, 2112682), (1079, 1928630), (1157, 1798610), (1430, 1455239), (1826, 1139645), (1958, 1062815), (1970, 1056341), (2158, 964315), (2167, 960310), (2314, 899305), (2561, 812570), (4334, 480155), (4565, 455858), (4895, 425126), (5122, 406285), (5395, 385726), (5785, 359722), (7387, 281710), (9130, 227929), (9790, 212563), (10790, 192863), (10835, 192062), (11570, 179861), (11869, 175330), (12727, 163510), (12805, 162514), (14774, 140855), (16351, 127270), (17533, 118690), (21670, 96031), (23738, 87665), (25454, 81755), (25610, 81257), (28171, 73870), (32702, 63635), (35066, 59345), (36935, 56342)]