97978760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{222679}}^1$

素因数の和:222701

約数の個数: 32

約数和(自身を含む): 240494400

約数和(自身を除く): 142515640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 222679, 445358, 890716, 1113395, 1781432, 2226790, 2449469, 4453580, 4898938, 8907160, 9797876, 12247345, 19595752, 24494690, 48989380, 97978760]

約数ペア:

[(1, 97978760), (2, 48989380), (4, 24494690), (5, 19595752), (8, 12247345), (10, 9797876), (11, 8907160), (20, 4898938), (22, 4453580), (40, 2449469), (44, 2226790), (55, 1781432), (88, 1113395), (110, 890716), (220, 445358), (440, 222679)]