31547780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{743}}^1$

素因数の和:956

約数の個数: 48

約数和(自身を含む): 72745344

約数和(自身を除く): 41197564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 193, 220, 386, 743, 772, 965, 1486, 1930, 2123, 2972, 3715, 3860, 4246, 7430, 8173, 8492, 10615, 14860, 16346, 21230, 32692, 40865, 42460, 81730, 143399, 163460, 286798, 573596, 716995, 1433990, 1577389, 2867980, 3154778, 6309556, 7886945, 15773890, 31547780]

約数ペア:

[(1, 31547780), (2, 15773890), (4, 7886945), (5, 6309556), (10, 3154778), (11, 2867980), (20, 1577389), (22, 1433990), (44, 716995), (55, 573596), (110, 286798), (193, 163460), (220, 143399), (386, 81730), (743, 42460), (772, 40865), (965, 32692), (1486, 21230), (1930, 16346), (2123, 14860), (2972, 10615), (3715, 8492), (3860, 8173), (4246, 7430)]