68960420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{971}}^1$

素因数の和:1100

約数の個数: 48

約数和(自身を含む): 149905728

約数和(自身を除く): 80945308

約数列:

[1, 2, 4, 5, 10, 20, 53, 67, 106, 134, 212, 265, 268, 335, 530, 670, 971, 1060, 1340, 1942, 3551, 3884, 4855, 7102, 9710, 14204, 17755, 19420, 35510, 51463, 65057, 71020, 102926, 130114, 205852, 257315, 260228, 325285, 514630, 650570, 1029260, 1301140, 3448021, 6896042, 13792084, 17240105, 34480210, 68960420]

約数ペア:

[(1, 68960420), (2, 34480210), (4, 17240105), (5, 13792084), (10, 6896042), (20, 3448021), (53, 1301140), (67, 1029260), (106, 650570), (134, 514630), (212, 325285), (265, 260228), (268, 257315), (335, 205852), (530, 130114), (670, 102926), (971, 71020), (1060, 65057), (1340, 51463), (1942, 35510), (3551, 19420), (3884, 17755), (4855, 14204), (7102, 9710)]