689618260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{69941}}^1$

素因数の和:69996

約数の個数: 48

約数和(自身を含む): 1586284560

約数和(自身を除く): 896666300

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, 69941, 139882, 279764, 349705, 699410, 1188997, 1398820, 2028289, 2377994, 4056578, 4755988, 5944985, 8113156, 10141445, 11889970, 20282890, 23779940, 34480913, 40565780, 68961826, 137923652, 172404565, 344809130, 689618260]

約数ペア:

[(1, 689618260), (2, 344809130), (4, 172404565), (5, 137923652), (10, 68961826), (17, 40565780), (20, 34480913), (29, 23779940), (34, 20282890), (58, 11889970), (68, 10141445), (85, 8113156), (116, 5944985), (145, 4755988), (170, 4056578), (290, 2377994), (340, 2028289), (493, 1398820), (580, 1188997), (986, 699410), (1972, 349705), (2465, 279764), (4930, 139882), (9860, 69941)]