30904940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{140477}}^1$

素因数の和:140497

約数の個数: 24

約数和(自身を含む): 70800912

約数和(自身を除く): 39895972

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 140477, 280954, 561908, 702385, 1404770, 1545247, 2809540, 3090494, 6180988, 7726235, 15452470, 30904940]

約数ペア:

[(1, 30904940), (2, 15452470), (4, 7726235), (5, 6180988), (10, 3090494), (11, 2809540), (20, 1545247), (22, 1404770), (44, 702385), (55, 561908), (110, 280954), (220, 140477)]