22778660

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 49351680

約数和(自身を除く): 26573020

約数列:

[1, 2, 4, 5, 10, 20, 67, 89, 134, 178, 191, 268, 335, 356, 382, 445, 670, 764, 890, 955, 1340, 1780, 1910, 3820, 5963, 11926, 12797, 16999, 23852, 25594, 29815, 33998, 51188, 59630, 63985, 67996, 84995, 119260, 127970, 169990, 255940, 339980, 1138933, 2277866, 4555732, 5694665, 11389330, 22778660]

約数ペア:

[(1, 22778660), (2, 11389330), (4, 5694665), (5, 4555732), (10, 2277866), (20, 1138933), (67, 339980), (89, 255940), (134, 169990), (178, 127970), (191, 119260), (268, 84995), (335, 67996), (356, 63985), (382, 59630), (445, 51188), (670, 33998), (764, 29815), (890, 25594), (955, 23852), (1340, 16999), (1780, 12797), (1910, 11926), (3820, 5963)]