31956620

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 68856480

約数和(自身を除く): 36899860

約数列:

[1, 2, 4, 5, 10, 20, 107, 109, 137, 214, 218, 274, 428, 436, 535, 545, 548, 685, 1070, 1090, 1370, 2140, 2180, 2740, 11663, 14659, 14933, 23326, 29318, 29866, 46652, 58315, 58636, 59732, 73295, 74665, 116630, 146590, 149330, 233260, 293180, 298660, 1597831, 3195662, 6391324, 7989155, 15978310, 31956620]

約数ペア:

[(1, 31956620), (2, 15978310), (4, 7989155), (5, 6391324), (10, 3195662), (20, 1597831), (107, 298660), (109, 293180), (137, 233260), (214, 149330), (218, 146590), (274, 116630), (428, 74665), (436, 73295), (535, 59732), (545, 58636), (548, 58315), (685, 46652), (1070, 29866), (1090, 29318), (1370, 23326), (2140, 14933), (2180, 14659), (2740, 11663)]