7221260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 16347744

約数和(自身を除く): 9126484

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 134, 170, 268, 317, 335, 340, 634, 670, 1139, 1268, 1340, 1585, 2278, 3170, 4556, 5389, 5695, 6340, 10778, 11390, 21239, 21556, 22780, 26945, 42478, 53890, 84956, 106195, 107780, 212390, 361063, 424780, 722126, 1444252, 1805315, 3610630, 7221260]

約数ペア:

[(1, 7221260), (2, 3610630), (4, 1805315), (5, 1444252), (10, 722126), (17, 424780), (20, 361063), (34, 212390), (67, 107780), (68, 106195), (85, 84956), (134, 53890), (170, 42478), (268, 26945), (317, 22780), (335, 21556), (340, 21239), (634, 11390), (670, 10778), (1139, 6340), (1268, 5695), (1340, 5389), (1585, 4556), (2278, 3170)]