8973980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 19752096

約数和(自身を除く): 10778116

約数列:

[1, 2, 4, 5, 10, 20, 37, 67, 74, 134, 148, 181, 185, 268, 335, 362, 370, 670, 724, 740, 905, 1340, 1810, 2479, 3620, 4958, 6697, 9916, 12127, 12395, 13394, 24254, 24790, 26788, 33485, 48508, 49580, 60635, 66970, 121270, 133940, 242540, 448699, 897398, 1794796, 2243495, 4486990, 8973980]

約数ペア:

[(1, 8973980), (2, 4486990), (4, 2243495), (5, 1794796), (10, 897398), (20, 448699), (37, 242540), (67, 133940), (74, 121270), (134, 66970), (148, 60635), (181, 49580), (185, 48508), (268, 33485), (335, 26788), (362, 24790), (370, 24254), (670, 13394), (724, 12395), (740, 12127), (905, 9916), (1340, 6697), (1810, 4958), (2479, 3620)]