180199030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{12899}}^1$

素因数の和:13044

約数の個数: 32

約数和(自身を含む): 356659200

約数和(自身を除く): 176460170

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 127, 254, 635, 1270, 1397, 2794, 6985, 12899, 13970, 25798, 64495, 128990, 141889, 283778, 709445, 1418890, 1638173, 3276346, 8190865, 16381730, 18019903, 36039806, 90099515, 180199030]

約数ペア:

[(1, 180199030), (2, 90099515), (5, 36039806), (10, 18019903), (11, 16381730), (22, 8190865), (55, 3276346), (110, 1638173), (127, 1418890), (254, 709445), (635, 283778), (1270, 141889), (1397, 128990), (2794, 64495), (6985, 25798), (12899, 13970)]