131451019810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1\times {\mathrm{1097}}^1$

素因数の和:1732

約数の個数: 128

約数和(自身を含む): 276120472320

約数和(自身を除く): 144669452510

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 139, 170, 187, 278, 374, 461, 695, 922, 935, 1097, 1390, 1529, 1870, 2194, 2305, 2363, 3058, 4610, 4726, 5071, 5485, 7645, 7837, 10142, 10970, 11815, 12067, 15290, 15674, 18649, 23630, 24134, 25355, 25993, 37298, 39185, 50710, 51986, 60335, 64079, 78370, 86207, 93245, 120670, 128158, 129965, 152483, 172414, 186490, 205139, 259930, 304966, 320395, 410278, 431035, 505717, 640790, 704869, 762415, 862070, 1011434, 1025695, 1089343, 1409738, 1524830, 1677313, 2051390, 2178686, 2528585, 2592211, 3354626, 3524345, 5057170, 5184422, 5446715, 5562887, 7048690, 8386565, 8597189, 10893430, 11125774, 11982773, 12961055, 16773130, 17194378, 23965546, 25922110, 27814435, 28514321, 42985945, 55628870, 57028642, 59913865, 70294663, 85971890, 94569079, 119827730, 140589326, 142571605, 189138158, 285143210, 351473315, 472845395, 702946630, 773241293, 945690790, 1195009271, 1546482586, 2390018542, 3866206465, 5975046355, 7732412930, 11950092710, 13145101981, 26290203962, 65725509905, 131451019810]

約数ペア:

[(1, 131451019810), (2, 65725509905), (5, 26290203962), (10, 13145101981), (11, 11950092710), (17, 7732412930), (22, 5975046355), (34, 3866206465), (55, 2390018542), (85, 1546482586), (110, 1195009271), (139, 945690790), (170, 773241293), (187, 702946630), (278, 472845395), (374, 351473315), (461, 285143210), (695, 189138158), (922, 142571605), (935, 140589326), (1097, 119827730), (1390, 94569079), (1529, 85971890), (1870, 70294663), (2194, 59913865), (2305, 57028642), (2363, 55628870), (3058, 42985945), (4610, 28514321), (4726, 27814435), (5071, 25922110), (5485, 23965546), (7645, 17194378), (7837, 16773130), (10142, 12961055), (10970, 11982773), (11815, 11125774), (12067, 10893430), (15290, 8597189), (15674, 8386565), (18649, 7048690), (23630, 5562887), (24134, 5446715), (25355, 5184422), (25993, 5057170), (37298, 3524345), (39185, 3354626), (50710, 2592211), (51986, 2528585), (60335, 2178686), (64079, 2051390), (78370, 1677313), (86207, 1524830), (93245, 1409738), (120670, 1089343), (128158, 1025695), (129965, 1011434), (152483, 862070), (172414, 762415), (186490, 704869), (205139, 640790), (259930, 505717), (304966, 431035), (320395, 410278)]