780666620

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{373}}^1\times {\mathrm{461}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 1654617888

約数和(自身を除く): 873951268

約数列:

[1, 2, 4, 5, 10, 20, 227, 373, 454, 461, 746, 908, 922, 1135, 1492, 1844, 1865, 2270, 2305, 3730, 4540, 4610, 7460, 9220, 84671, 104647, 169342, 171953, 209294, 338684, 343906, 418588, 423355, 523235, 687812, 846710, 859765, 1046470, 1693420, 1719530, 2092940, 3439060, 39033331, 78066662, 156133324, 195166655, 390333310, 780666620]

約数ペア:

[(1, 780666620), (2, 390333310), (4, 195166655), (5, 156133324), (10, 78066662), (20, 39033331), (227, 3439060), (373, 2092940), (454, 1719530), (461, 1693420), (746, 1046470), (908, 859765), (922, 846710), (1135, 687812), (1492, 523235), (1844, 423355), (1865, 418588), (2270, 343906), (2305, 338684), (3730, 209294), (4540, 171953), (4610, 169342), (7460, 104647), (9220, 84671)]