9888922540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{648029}}^1$

素因数の和:648154

約数の個数: 48

約数和(自身を含む): 23951188800

約数和(自身を除く): 14062266260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 7630, 15260, 648029, 1296058, 2592116, 3240145, 4536203, 6480290, 9072406, 12960580, 18144812, 22681015, 45362030, 70635161, 90724060, 141270322, 282540644, 353175805, 494446127, 706351610, 988892254, 1412703220, 1977784508, 2472230635, 4944461270, 9888922540]

約数ペア:

[(1, 9888922540), (2, 4944461270), (4, 2472230635), (5, 1977784508), (7, 1412703220), (10, 988892254), (14, 706351610), (20, 494446127), (28, 353175805), (35, 282540644), (70, 141270322), (109, 90724060), (140, 70635161), (218, 45362030), (436, 22681015), (545, 18144812), (763, 12960580), (1090, 9072406), (1526, 6480290), (2180, 4536203), (3052, 3240145), (3815, 2592116), (7630, 1296058), (15260, 648029)]