199909750

素因数分解:

$2^1\times 5^3\times {\mathrm{509}}^1\times {\mathrm{1571}}^1$

素因数の和:2097

約数の個数: 32

約数和(自身を含む): 375204960

約数和(自身を除く): 175295210

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 509, 1018, 1571, 2545, 3142, 5090, 7855, 12725, 15710, 25450, 39275, 63625, 78550, 127250, 196375, 392750, 799639, 1599278, 3998195, 7996390, 19990975, 39981950, 99954875, 199909750]

約数ペア:

[(1, 199909750), (2, 99954875), (5, 39981950), (10, 19990975), (25, 7996390), (50, 3998195), (125, 1599278), (250, 799639), (509, 392750), (1018, 196375), (1571, 127250), (2545, 78550), (3142, 63625), (5090, 39275), (7855, 25450), (12725, 15710)]