28930660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1229}}^1$

素因数の和:1356

約数の個数: 48

約数和(自身を含む): 66951360

約数和(自身を除く): 38020700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 1070, 1177, 1229, 2140, 2354, 2458, 4708, 4916, 5885, 6145, 11770, 12290, 13519, 23540, 24580, 27038, 54076, 67595, 131503, 135190, 263006, 270380, 526012, 657515, 1315030, 1446533, 2630060, 2893066, 5786132, 7232665, 14465330, 28930660]

約数ペア:

[(1, 28930660), (2, 14465330), (4, 7232665), (5, 5786132), (10, 2893066), (11, 2630060), (20, 1446533), (22, 1315030), (44, 657515), (55, 526012), (107, 270380), (110, 263006), (214, 135190), (220, 131503), (428, 67595), (535, 54076), (1070, 27038), (1177, 24580), (1229, 23540), (2140, 13519), (2354, 12290), (2458, 11770), (4708, 6145), (4916, 5885)]