68638820

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1\times {\mathrm{283}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 147620928

約数和(自身を除く): 78982108

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 181, 268, 283, 335, 362, 566, 670, 724, 905, 1132, 1340, 1415, 1810, 2830, 3620, 5660, 12127, 18961, 24254, 37922, 48508, 51223, 60635, 75844, 94805, 102446, 121270, 189610, 204892, 242540, 256115, 379220, 512230, 1024460, 3431941, 6863882, 13727764, 17159705, 34319410, 68638820]

約数ペア:

[(1, 68638820), (2, 34319410), (4, 17159705), (5, 13727764), (10, 6863882), (20, 3431941), (67, 1024460), (134, 512230), (181, 379220), (268, 256115), (283, 242540), (335, 204892), (362, 189610), (566, 121270), (670, 102446), (724, 94805), (905, 75844), (1132, 60635), (1340, 51223), (1415, 48508), (1810, 37922), (2830, 24254), (3620, 18961), (5660, 12127)]