220121890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{3853}}^1$

素因数の和:4086

約数の個数: 32

約数和(自身を含む): 412069680

約数和(自身を除く): 191947790

約数列:

[1, 2, 5, 10, 29, 58, 145, 197, 290, 394, 985, 1970, 3853, 5713, 7706, 11426, 19265, 28565, 38530, 57130, 111737, 223474, 558685, 759041, 1117370, 1518082, 3795205, 7590410, 22012189, 44024378, 110060945, 220121890]

約数ペア:

[(1, 220121890), (2, 110060945), (5, 44024378), (10, 22012189), (29, 7590410), (58, 3795205), (145, 1518082), (197, 1117370), (290, 759041), (394, 558685), (985, 223474), (1970, 111737), (3853, 57130), (5713, 38530), (7706, 28565), (11426, 19265)]