228799780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1039999}}^1$

素因数の和:1040019

約数の個数: 24

約数和(自身を含む): 524160000

約数和(自身を除く): 295360220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1039999, 2079998, 4159996, 5199995, 10399990, 11439989, 20799980, 22879978, 45759956, 57199945, 114399890, 228799780]

約数ペア:

[(1, 228799780), (2, 114399890), (4, 57199945), (5, 45759956), (10, 22879978), (11, 20799980), (20, 11439989), (22, 10399990), (44, 5199995), (55, 4159996), (110, 2079998), (220, 1039999)]