199158520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{452633}}^1$

素因数の和:452655

約数の個数: 32

約数和(自身を含む): 488844720

約数和(自身を除く): 289686200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 452633, 905266, 1810532, 2263165, 3621064, 4526330, 4978963, 9052660, 9957926, 18105320, 19915852, 24894815, 39831704, 49789630, 99579260, 199158520]

約数ペア:

[(1, 199158520), (2, 99579260), (4, 49789630), (5, 39831704), (8, 24894815), (10, 19915852), (11, 18105320), (20, 9957926), (22, 9052660), (40, 4978963), (44, 4526330), (55, 3621064), (88, 2263165), (110, 1810532), (220, 905266), (440, 452633)]