217430900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{70139}}^1$

素因数の和:70184

約数の個数: 36

約数和(自身を含む): 487052160

約数和(自身を除く): 269621260

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 70139, 140278, 280556, 350695, 701390, 1402780, 1753475, 2174309, 3506950, 4348618, 7013900, 8697236, 10871545, 21743090, 43486180, 54357725, 108715450, 217430900]

約数ペア:

[(1, 217430900), (2, 108715450), (4, 54357725), (5, 43486180), (10, 21743090), (20, 10871545), (25, 8697236), (31, 7013900), (50, 4348618), (62, 3506950), (100, 2174309), (124, 1753475), (155, 1402780), (310, 701390), (620, 350695), (775, 280556), (1550, 140278), (3100, 70139)]