9721900

素因数分解:

$2^2\times 5^2\times {\mathrm{191}}^1\times {\mathrm{509}}^1$

素因数の和:714

約数の個数: 36

約数和(自身を含む): 21248640

約数和(自身を除く): 11526740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 191, 382, 509, 764, 955, 1018, 1910, 2036, 2545, 3820, 4775, 5090, 9550, 10180, 12725, 19100, 25450, 50900, 97219, 194438, 388876, 486095, 972190, 1944380, 2430475, 4860950, 9721900]

約数ペア:

[(1, 9721900), (2, 4860950), (4, 2430475), (5, 1944380), (10, 972190), (20, 486095), (25, 388876), (50, 194438), (100, 97219), (191, 50900), (382, 25450), (509, 19100), (764, 12725), (955, 10180), (1018, 9550), (1910, 5090), (2036, 4775), (2545, 3820)]