4492420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 10181808

約数和(自身を除く): 5689388

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 146, 170, 181, 292, 340, 362, 365, 724, 730, 905, 1241, 1460, 1810, 2482, 3077, 3620, 4964, 6154, 6205, 12308, 12410, 13213, 15385, 24820, 26426, 30770, 52852, 61540, 66065, 132130, 224621, 264260, 449242, 898484, 1123105, 2246210, 4492420]

約数ペア:

[(1, 4492420), (2, 2246210), (4, 1123105), (5, 898484), (10, 449242), (17, 264260), (20, 224621), (34, 132130), (68, 66065), (73, 61540), (85, 52852), (146, 30770), (170, 26426), (181, 24820), (292, 15385), (340, 13213), (362, 12410), (365, 12308), (724, 6205), (730, 6154), (905, 4964), (1241, 3620), (1460, 3077), (1810, 2482)]