259929930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{6871}}^1$

素因数の和:6991

約数の個数: 64

約数和(自身を含む): 678843648

約数和(自身を除く): 418913718

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 97, 130, 194, 195, 291, 390, 485, 582, 970, 1261, 1455, 2522, 2910, 3783, 6305, 6871, 7566, 12610, 13742, 18915, 20613, 34355, 37830, 41226, 68710, 89323, 103065, 178646, 206130, 267969, 446615, 535938, 666487, 893230, 1332974, 1339845, 1999461, 2679690, 3332435, 3998922, 6664870, 8664331, 9997305, 17328662, 19994610, 25992993, 43321655, 51985986, 86643310, 129964965, 259929930]

約数ペア:

[(1, 259929930), (2, 129964965), (3, 86643310), (5, 51985986), (6, 43321655), (10, 25992993), (13, 19994610), (15, 17328662), (26, 9997305), (30, 8664331), (39, 6664870), (65, 3998922), (78, 3332435), (97, 2679690), (130, 1999461), (194, 1339845), (195, 1332974), (291, 893230), (390, 666487), (485, 535938), (582, 446615), (970, 267969), (1261, 206130), (1455, 178646), (2522, 103065), (2910, 89323), (3783, 68710), (6305, 41226), (6871, 37830), (7566, 34355), (12610, 20613), (13742, 18915)]