71977060

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 154289520

約数和(自身を除く): 82312460

約数列:

[1, 2, 4, 5, 10, 20, 109, 137, 218, 241, 274, 436, 482, 545, 548, 685, 964, 1090, 1205, 1370, 2180, 2410, 2740, 4820, 14933, 26269, 29866, 33017, 52538, 59732, 66034, 74665, 105076, 131345, 132068, 149330, 165085, 262690, 298660, 330170, 525380, 660340, 3598853, 7197706, 14395412, 17994265, 35988530, 71977060]

約数ペア:

[(1, 71977060), (2, 35988530), (4, 17994265), (5, 14395412), (10, 7197706), (20, 3598853), (109, 660340), (137, 525380), (218, 330170), (241, 298660), (274, 262690), (436, 165085), (482, 149330), (545, 132068), (548, 131345), (685, 105076), (964, 74665), (1090, 66034), (1205, 59732), (1370, 52538), (2180, 33017), (2410, 29866), (2740, 26269), (4820, 14933)]