203812900

素因数分解:

$2^2\times 5^2\times {\mathrm{971}}^1\times {\mathrm{2099}}^1$

素因数の和:3084

約数の個数: 36

約数和(自身を含む): 442940400

約数和(自身を除く): 239127500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 971, 1942, 2099, 3884, 4198, 4855, 8396, 9710, 10495, 19420, 20990, 24275, 41980, 48550, 52475, 97100, 104950, 209900, 2038129, 4076258, 8152516, 10190645, 20381290, 40762580, 50953225, 101906450, 203812900]

約数ペア:

[(1, 203812900), (2, 101906450), (4, 50953225), (5, 40762580), (10, 20381290), (20, 10190645), (25, 8152516), (50, 4076258), (100, 2038129), (971, 209900), (1942, 104950), (2099, 97100), (3884, 52475), (4198, 48550), (4855, 41980), (8396, 24275), (9710, 20990), (10495, 19420)]