199972325

素因数分解:

$5^2\times 7^1\times {\mathrm{811}}^1\times {\mathrm{1409}}^1$

素因数の和:2237

約数の個数: 24

約数和(自身を含む): 283940160

約数和(自身を除く): 83967835

約数列:

[1, 5, 7, 25, 35, 175, 811, 1409, 4055, 5677, 7045, 9863, 20275, 28385, 35225, 49315, 141925, 246575, 1142699, 5713495, 7998893, 28567475, 39994465, 199972325]

約数ペア:

[(1, 199972325), (5, 39994465), (7, 28567475), (25, 7998893), (35, 5713495), (175, 1142699), (811, 246575), (1409, 141925), (4055, 49315), (5677, 35225), (7045, 28385), (9863, 20275)]