190337180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{9721}}^1$

素因数の和:9830

約数の個数: 48

約数和(自身を含む): 440989920

約数和(自身を除く): 250652740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 3916, 4895, 9721, 9790, 19442, 19580, 38884, 48605, 97210, 106931, 194420, 213862, 427724, 534655, 865169, 1069310, 1730338, 2138620, 3460676, 4325845, 8651690, 9516859, 17303380, 19033718, 38067436, 47584295, 95168590, 190337180]

約数ペア:

[(1, 190337180), (2, 95168590), (4, 47584295), (5, 38067436), (10, 19033718), (11, 17303380), (20, 9516859), (22, 8651690), (44, 4325845), (55, 3460676), (89, 2138620), (110, 1730338), (178, 1069310), (220, 865169), (356, 534655), (445, 427724), (890, 213862), (979, 194420), (1780, 106931), (1958, 97210), (3916, 48605), (4895, 38884), (9721, 19580), (9790, 19442)]