628998980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{63793}}^1$

素因数の和:63848

約数の個数: 48

約数和(自身を含む): 1446847920

約数和(自身を除く): 817848940

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 4930, 9860, 63793, 127586, 255172, 318965, 637930, 1084481, 1275860, 1849997, 2168962, 3699994, 4337924, 5422405, 7399988, 9249985, 10844810, 18499970, 21689620, 31449949, 36999940, 62899898, 125799796, 157249745, 314499490, 628998980]

約数ペア:

[(1, 628998980), (2, 314499490), (4, 157249745), (5, 125799796), (10, 62899898), (17, 36999940), (20, 31449949), (29, 21689620), (34, 18499970), (58, 10844810), (68, 9249985), (85, 7399988), (116, 5422405), (145, 4337924), (170, 3699994), (290, 2168962), (340, 1849997), (493, 1275860), (580, 1084481), (986, 637930), (1972, 318965), (2465, 255172), (4930, 127586), (9860, 63793)]