165447740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{21157}}^1$

素因数の和:21206

約数の個数: 48

約数和(自身を含む): 383890752

約数和(自身を除く): 218443012

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 21157, 42314, 84628, 105785, 211570, 359669, 423140, 486611, 719338, 973222, 1438676, 1798345, 1946444, 2433055, 3596690, 4866110, 7193380, 8272387, 9732220, 16544774, 33089548, 41361935, 82723870, 165447740]

約数ペア:

[(1, 165447740), (2, 82723870), (4, 41361935), (5, 33089548), (10, 16544774), (17, 9732220), (20, 8272387), (23, 7193380), (34, 4866110), (46, 3596690), (68, 2433055), (85, 1946444), (92, 1798345), (115, 1438676), (170, 973222), (230, 719338), (340, 486611), (391, 423140), (460, 359669), (782, 211570), (1564, 105785), (1955, 84628), (3910, 42314), (7820, 21157)]