7727540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 17200512

約数和(自身を除く): 9472972

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 107, 115, 157, 214, 230, 314, 428, 460, 535, 628, 785, 1070, 1570, 2140, 2461, 3140, 3611, 4922, 7222, 9844, 12305, 14444, 16799, 18055, 24610, 33598, 36110, 49220, 67196, 72220, 83995, 167990, 335980, 386377, 772754, 1545508, 1931885, 3863770, 7727540]

約数ペア:

[(1, 7727540), (2, 3863770), (4, 1931885), (5, 1545508), (10, 772754), (20, 386377), (23, 335980), (46, 167990), (92, 83995), (107, 72220), (115, 67196), (157, 49220), (214, 36110), (230, 33598), (314, 24610), (428, 18055), (460, 16799), (535, 14444), (628, 12305), (785, 9844), (1070, 7222), (1570, 4922), (2140, 3611), (2461, 3140)]