28891740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7187}}^1$

素因数の和:7266

約数の個数: 48

約数和(自身を含む): 82115712

約数和(自身を除く): 53223972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 7187, 14374, 21561, 28748, 35935, 43122, 71870, 86244, 107805, 143740, 215610, 431220, 481529, 963058, 1444587, 1926116, 2407645, 2889174, 4815290, 5778348, 7222935, 9630580, 14445870, 28891740]

約数ペア:

[(1, 28891740), (2, 14445870), (3, 9630580), (4, 7222935), (5, 5778348), (6, 4815290), (10, 2889174), (12, 2407645), (15, 1926116), (20, 1444587), (30, 963058), (60, 481529), (67, 431220), (134, 215610), (201, 143740), (268, 107805), (335, 86244), (402, 71870), (670, 43122), (804, 35935), (1005, 28748), (1340, 21561), (2010, 14374), (4020, 7187)]