420154990

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{4787}}^1$

素因数の和:4992

約数の個数: 32

約数和(自身を含む): 773587584

約数和(自身を除く): 353432594

約数列:

[1, 2, 5, 10, 67, 131, 134, 262, 335, 655, 670, 1310, 4787, 8777, 9574, 17554, 23935, 43885, 47870, 87770, 320729, 627097, 641458, 1254194, 1603645, 3135485, 3207290, 6270970, 42015499, 84030998, 210077495, 420154990]

約数ペア:

[(1, 420154990), (2, 210077495), (5, 84030998), (10, 42015499), (67, 6270970), (131, 3207290), (134, 3135485), (262, 1603645), (335, 1254194), (655, 641458), (670, 627097), (1310, 320729), (4787, 87770), (8777, 47870), (9574, 43885), (17554, 23935)]