216300590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{19469}}^1$

素因数の和:19588

約数の個数: 32

約数和(自身を含む): 428963040

約数和(自身を除く): 212662450

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 2222, 5555, 11110, 19469, 38938, 97345, 194690, 214159, 428318, 1070795, 1966369, 2141590, 3932738, 9831845, 19663690, 21630059, 43260118, 108150295, 216300590]

約数ペア:

[(1, 216300590), (2, 108150295), (5, 43260118), (10, 21630059), (11, 19663690), (22, 9831845), (55, 3932738), (101, 2141590), (110, 1966369), (202, 1070795), (505, 428318), (1010, 214159), (1111, 194690), (2222, 97345), (5555, 38938), (11110, 19469)]