202190890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{18199}}^1$

素因数の和:18318

約数の個数: 32

約数和(自身を含む): 400982400

約数和(自身を除く): 198791510

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 2222, 5555, 11110, 18199, 36398, 90995, 181990, 200189, 400378, 1000945, 1838099, 2001890, 3676198, 9190495, 18380990, 20219089, 40438178, 101095445, 202190890]

約数ペア:

[(1, 202190890), (2, 101095445), (5, 40438178), (10, 20219089), (11, 18380990), (22, 9190495), (55, 3676198), (101, 2001890), (110, 1838099), (202, 1000945), (505, 400378), (1010, 200189), (1111, 181990), (2222, 90995), (5555, 36398), (11110, 18199)]