28713089090

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{709}}^1\times {\mathrm{11807}}^1$

素因数の和:12544

約数の個数: 64

約数和(自身を含む): 60362496000

約数和(自身を除く): 31649406910

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 709, 1418, 1715, 3430, 3545, 4963, 7090, 9926, 11807, 23614, 24815, 34741, 49630, 59035, 69482, 82649, 118070, 165298, 173705, 243187, 347410, 413245, 486374, 578543, 826490, 1157086, 1215935, 2431870, 2892715, 4049801, 5785430, 8099602, 8371163, 16742326, 20249005, 40498010, 41855815, 58598141, 83711630, 117196282, 292990705, 410186987, 585981410, 820373974, 2050934935, 2871308909, 4101869870, 5742617818, 14356544545, 28713089090]

約数ペア:

[(1, 28713089090), (2, 14356544545), (5, 5742617818), (7, 4101869870), (10, 2871308909), (14, 2050934935), (35, 820373974), (49, 585981410), (70, 410186987), (98, 292990705), (245, 117196282), (343, 83711630), (490, 58598141), (686, 41855815), (709, 40498010), (1418, 20249005), (1715, 16742326), (3430, 8371163), (3545, 8099602), (4963, 5785430), (7090, 4049801), (9926, 2892715), (11807, 2431870), (23614, 1215935), (24815, 1157086), (34741, 826490), (49630, 578543), (59035, 486374), (69482, 413245), (82649, 347410), (118070, 243187), (165298, 173705)]