154358620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{8861}}^1$

素因数の和:8950

約数の個数: 48

約数和(自身を含む): 354338208

約数和(自身を除く): 199979588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 3484, 4355, 8710, 8861, 17420, 17722, 35444, 44305, 88610, 115193, 177220, 230386, 460772, 575965, 593687, 1151930, 1187374, 2303860, 2374748, 2968435, 5936870, 7717931, 11873740, 15435862, 30871724, 38589655, 77179310, 154358620]

約数ペア:

[(1, 154358620), (2, 77179310), (4, 38589655), (5, 30871724), (10, 15435862), (13, 11873740), (20, 7717931), (26, 5936870), (52, 2968435), (65, 2374748), (67, 2303860), (130, 1187374), (134, 1151930), (260, 593687), (268, 575965), (335, 460772), (670, 230386), (871, 177220), (1340, 115193), (1742, 88610), (3484, 44305), (4355, 35444), (8710, 17722), (8861, 17420)]