25002990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{787}}^1$

素因数の和:1153

約数の個数: 48

約数和(自身を含む): 65274768

約数和(自身を除く): 40271778

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 353, 706, 787, 1059, 1574, 1765, 2118, 2361, 3177, 3530, 3935, 4722, 5295, 6354, 7083, 7870, 10590, 11805, 14166, 15885, 23610, 31770, 35415, 70830, 277811, 555622, 833433, 1389055, 1666866, 2500299, 2778110, 4167165, 5000598, 8334330, 12501495, 25002990]

約数ペア:

[(1, 25002990), (2, 12501495), (3, 8334330), (5, 5000598), (6, 4167165), (9, 2778110), (10, 2500299), (15, 1666866), (18, 1389055), (30, 833433), (45, 555622), (90, 277811), (353, 70830), (706, 35415), (787, 31770), (1059, 23610), (1574, 15885), (1765, 14166), (2118, 11805), (2361, 10590), (3177, 7870), (3530, 7083), (3935, 6354), (4722, 5295)]