259699400

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41887}}^1$

素因数の和:41934

約数の個数: 48

約数和(自身を含む): 623293440

約数和(自身を除く): 363594040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 6200, 41887, 83774, 167548, 209435, 335096, 418870, 837740, 1047175, 1298497, 1675480, 2094350, 2596994, 4188700, 5193988, 6492485, 8377400, 10387976, 12984970, 25969940, 32462425, 51939880, 64924850, 129849700, 259699400]

約数ペア:

[(1, 259699400), (2, 129849700), (4, 64924850), (5, 51939880), (8, 32462425), (10, 25969940), (20, 12984970), (25, 10387976), (31, 8377400), (40, 6492485), (50, 5193988), (62, 4188700), (100, 2596994), (124, 2094350), (155, 1675480), (200, 1298497), (248, 1047175), (310, 837740), (620, 418870), (775, 335096), (1240, 209435), (1550, 167548), (3100, 83774), (6200, 41887)]