28972460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1667}}^1$

素因数の和:1766

約数の個数: 48

約数和(自身を含む): 67253760

約数和(自身を除く): 38281300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1667, 1738, 3334, 3476, 4345, 6668, 8335, 8690, 16670, 17380, 18337, 33340, 36674, 73348, 91685, 131693, 183370, 263386, 366740, 526772, 658465, 1316930, 1448623, 2633860, 2897246, 5794492, 7243115, 14486230, 28972460]

約数ペア:

[(1, 28972460), (2, 14486230), (4, 7243115), (5, 5794492), (10, 2897246), (11, 2633860), (20, 1448623), (22, 1316930), (44, 658465), (55, 526772), (79, 366740), (110, 263386), (158, 183370), (220, 131693), (316, 91685), (395, 73348), (790, 36674), (869, 33340), (1580, 18337), (1667, 17380), (1738, 16670), (3334, 8690), (3476, 8335), (4345, 6668)]