353209180

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{571}}^1$

素因数の和:934

約数の個数: 48

約数和(自身を含む): 751566816

約数和(自身を除く): 398357636

約数列:

[1, 2, 4, 5, 10, 20, 157, 197, 314, 394, 571, 628, 785, 788, 985, 1142, 1570, 1970, 2284, 2855, 3140, 3940, 5710, 11420, 30929, 61858, 89647, 112487, 123716, 154645, 179294, 224974, 309290, 358588, 448235, 449948, 562435, 618580, 896470, 1124870, 1792940, 2249740, 17660459, 35320918, 70641836, 88302295, 176604590, 353209180]

約数ペア:

[(1, 353209180), (2, 176604590), (4, 88302295), (5, 70641836), (10, 35320918), (20, 17660459), (157, 2249740), (197, 1792940), (314, 1124870), (394, 896470), (571, 618580), (628, 562435), (785, 449948), (788, 448235), (985, 358588), (1142, 309290), (1570, 224974), (1970, 179294), (2284, 154645), (2855, 123716), (3140, 112487), (3940, 89647), (5710, 61858), (11420, 30929)]