8383620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19961}}^1$

素因数の和:19980

約数の個数: 48

約数和(自身を含む): 26828928

約数和(自身を除く): 18445308

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 19961, 39922, 59883, 79844, 99805, 119766, 139727, 199610, 239532, 279454, 299415, 399220, 419181, 558908, 598830, 698635, 838362, 1197660, 1397270, 1676724, 2095905, 2794540, 4191810, 8383620]

約数ペア:

[(1, 8383620), (2, 4191810), (3, 2794540), (4, 2095905), (5, 1676724), (6, 1397270), (7, 1197660), (10, 838362), (12, 698635), (14, 598830), (15, 558908), (20, 419181), (21, 399220), (28, 299415), (30, 279454), (35, 239532), (42, 199610), (60, 139727), (70, 119766), (84, 99805), (105, 79844), (140, 59883), (210, 39922), (420, 19961)]