199972075

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{170189}}^1$

素因数の和:170246

約数の個数: 12

約数和(自身を含む): 253242720

約数和(自身を除く): 53270645

約数列:

[1, 5, 25, 47, 235, 1175, 170189, 850945, 4254725, 7998883, 39994415, 199972075]

約数ペア:

[(1, 199972075), (5, 39994415), (25, 7998883), (47, 4254725), (235, 850945), (1175, 170189)]