31981550140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:692

約数の個数: 192

約数和(自身を含む): 74628449280

約数和(自身を除く): 42646899140

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 43, 46, 74, 86, 89, 92, 115, 148, 172, 178, 185, 215, 230, 356, 370, 430, 445, 460, 491, 740, 851, 860, 890, 982, 989, 1591, 1702, 1780, 1964, 1978, 2047, 2455, 3182, 3293, 3404, 3827, 3956, 4094, 4255, 4910, 4945, 6364, 6586, 7654, 7955, 8188, 8510, 9820, 9890, 10235, 11293, 13172, 15308, 15910, 16465, 17020, 18167, 19135, 19780, 20470, 21113, 22586, 31820, 32930, 36334, 36593, 38270, 40940, 42226, 43699, 45172, 56465, 65860, 72668, 73186, 75739, 76540, 84452, 87398, 88021, 90835, 105565, 112930, 141599, 146372, 151478, 174796, 176042, 181670, 182965, 211130, 218495, 225860, 283198, 302956, 352084, 363340, 365930, 378695, 417841, 422260, 436990, 440105, 485599, 566396, 707995, 731860, 757390, 781181, 835682, 873980, 880210, 971198, 1005077, 1415990, 1514780, 1562362, 1616863, 1671364, 1760420, 1879057, 1942396, 2010154, 2089205, 2427995, 2831980, 3124724, 3233726, 3256777, 3758114, 3905905, 4020308, 4178410, 4855990, 5025385, 6467452, 6513554, 7516228, 7811810, 8084315, 8356820, 9395285, 9711980, 10050770, 13027108, 15623620, 16168630, 16283885, 17967163, 18790570, 20101540, 32337260, 32567770, 35934326, 37187849, 37581140, 43218311, 65135540, 69525109, 71868652, 74375698, 86436622, 89835815, 139050218, 148751396, 172873244, 179671630, 185939245, 216091555, 278100436, 347625545, 359343260, 371878490, 432183110, 695251090, 743756980, 864366220, 1390502180, 1599077507, 3198155014, 6396310028, 7995387535, 15990775070, 31981550140]

約数ペア:

[(1, 31981550140), (2, 15990775070), (4, 7995387535), (5, 6396310028), (10, 3198155014), (20, 1599077507), (23, 1390502180), (37, 864366220), (43, 743756980), (46, 695251090), (74, 432183110), (86, 371878490), (89, 359343260), (92, 347625545), (115, 278100436), (148, 216091555), (172, 185939245), (178, 179671630), (185, 172873244), (215, 148751396), (230, 139050218), (356, 89835815), (370, 86436622), (430, 74375698), (445, 71868652), (460, 69525109), (491, 65135540), (740, 43218311), (851, 37581140), (860, 37187849), (890, 35934326), (982, 32567770), (989, 32337260), (1591, 20101540), (1702, 18790570), (1780, 17967163), (1964, 16283885), (1978, 16168630), (2047, 15623620), (2455, 13027108), (3182, 10050770), (3293, 9711980), (3404, 9395285), (3827, 8356820), (3956, 8084315), (4094, 7811810), (4255, 7516228), (4910, 6513554), (4945, 6467452), (6364, 5025385), (6586, 4855990), (7654, 4178410), (7955, 4020308), (8188, 3905905), (8510, 3758114), (9820, 3256777), (9890, 3233726), (10235, 3124724), (11293, 2831980), (13172, 2427995), (15308, 2089205), (15910, 2010154), (16465, 1942396), (17020, 1879057), (18167, 1760420), (19135, 1671364), (19780, 1616863), (20470, 1562362), (21113, 1514780), (22586, 1415990), (31820, 1005077), (32930, 971198), (36334, 880210), (36593, 873980), (38270, 835682), (40940, 781181), (42226, 757390), (43699, 731860), (45172, 707995), (56465, 566396), (65860, 485599), (72668, 440105), (73186, 436990), (75739, 422260), (76540, 417841), (84452, 378695), (87398, 365930), (88021, 363340), (90835, 352084), (105565, 302956), (112930, 283198), (141599, 225860), (146372, 218495), (151478, 211130), (174796, 182965), (176042, 181670)]