168420100

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{21319}}^1$

素因数の和:21412

約数の個数: 36

約数和(自身を含む): 370115200

約数和(自身を除く): 201695100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3950, 7900, 21319, 42638, 85276, 106595, 213190, 426380, 532975, 1065950, 1684201, 2131900, 3368402, 6736804, 8421005, 16842010, 33684020, 42105025, 84210050, 168420100]

約数ペア:

[(1, 168420100), (2, 84210050), (4, 42105025), (5, 33684020), (10, 16842010), (20, 8421005), (25, 6736804), (50, 3368402), (79, 2131900), (100, 1684201), (158, 1065950), (316, 532975), (395, 426380), (790, 213190), (1580, 106595), (1975, 85276), (3950, 42638), (7900, 21319)]