164966180

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 352610496

約数和(自身を除く): 187644316

約数列:

[1, 2, 4, 5, 10, 20, 107, 157, 214, 314, 428, 491, 535, 628, 785, 982, 1070, 1570, 1964, 2140, 2455, 3140, 4910, 9820, 16799, 33598, 52537, 67196, 77087, 83995, 105074, 154174, 167990, 210148, 262685, 308348, 335980, 385435, 525370, 770870, 1050740, 1541740, 8248309, 16496618, 32993236, 41241545, 82483090, 164966180]

約数ペア:

[(1, 164966180), (2, 82483090), (4, 41241545), (5, 32993236), (10, 16496618), (20, 8248309), (107, 1541740), (157, 1050740), (214, 770870), (314, 525370), (428, 385435), (491, 335980), (535, 308348), (628, 262685), (785, 210148), (982, 167990), (1070, 154174), (1570, 105074), (1964, 83995), (2140, 77087), (2455, 67196), (3140, 52537), (4910, 33598), (9820, 16799)]