216742460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{89563}}^1$

素因数の和:89594

約数の個数: 36

約数和(自身を含む): 500304504

約数和(自身を除く): 283562044

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 89563, 179126, 358252, 447815, 895630, 985193, 1791260, 1970386, 3940772, 4925965, 9851930, 10837123, 19703860, 21674246, 43348492, 54185615, 108371230, 216742460]

約数ペア:

[(1, 216742460), (2, 108371230), (4, 54185615), (5, 43348492), (10, 21674246), (11, 19703860), (20, 10837123), (22, 9851930), (44, 4925965), (55, 3940772), (110, 1970386), (121, 1791260), (220, 985193), (242, 895630), (484, 447815), (605, 358252), (1210, 179126), (2420, 89563)]