212365780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{16361}}^1$

素因数の和:16440

約数の個数: 48

約数和(自身を含む): 494786880

約数和(自身を除く): 282421100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2596, 3245, 6490, 12980, 16361, 32722, 65444, 81805, 163610, 179971, 327220, 359942, 719884, 899855, 965299, 1799710, 1930598, 3599420, 3861196, 4826495, 9652990, 10618289, 19305980, 21236578, 42473156, 53091445, 106182890, 212365780]

約数ペア:

[(1, 212365780), (2, 106182890), (4, 53091445), (5, 42473156), (10, 21236578), (11, 19305980), (20, 10618289), (22, 9652990), (44, 4826495), (55, 3861196), (59, 3599420), (110, 1930598), (118, 1799710), (220, 965299), (236, 899855), (295, 719884), (590, 359942), (649, 327220), (1180, 179971), (1298, 163610), (2596, 81805), (3245, 65444), (6490, 32722), (12980, 16361)]