81760910

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{197}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 189604800

約数和(自身を除く): 107843890

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 121, 154, 197, 242, 245, 343, 385, 394, 490, 539, 605, 686, 770, 847, 985, 1078, 1210, 1379, 1694, 1715, 1970, 2167, 2695, 2758, 3430, 3773, 4235, 4334, 5390, 5929, 6895, 7546, 8470, 9653, 10835, 11858, 13790, 15169, 18865, 19306, 21670, 23837, 29645, 30338, 37730, 41503, 47674, 48265, 59290, 67571, 75845, 83006, 96530, 106183, 119185, 135142, 151690, 166859, 207515, 212366, 238370, 333718, 337855, 415030, 530915, 675710, 743281, 834295, 1061830, 1168013, 1486562, 1668590, 2336026, 3716405, 5840065, 7432810, 8176091, 11680130, 16352182, 40880455, 81760910]

約数ペア:

[(1, 81760910), (2, 40880455), (5, 16352182), (7, 11680130), (10, 8176091), (11, 7432810), (14, 5840065), (22, 3716405), (35, 2336026), (49, 1668590), (55, 1486562), (70, 1168013), (77, 1061830), (98, 834295), (110, 743281), (121, 675710), (154, 530915), (197, 415030), (242, 337855), (245, 333718), (343, 238370), (385, 212366), (394, 207515), (490, 166859), (539, 151690), (605, 135142), (686, 119185), (770, 106183), (847, 96530), (985, 83006), (1078, 75845), (1210, 67571), (1379, 59290), (1694, 48265), (1715, 47674), (1970, 41503), (2167, 37730), (2695, 30338), (2758, 29645), (3430, 23837), (3773, 21670), (4235, 19306), (4334, 18865), (5390, 15169), (5929, 13790), (6895, 11858), (7546, 10835), (8470, 9653)]