249230120

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{47563}}^1$

素因数の和:47705

約数の個数: 32

約数和(自身を含む): 565060320

約数和(自身を除く): 315830200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 47563, 95126, 190252, 237815, 380504, 475630, 951260, 1902520, 6230753, 12461506, 24923012, 31153765, 49846024, 62307530, 124615060, 249230120]

約数ペア:

[(1, 249230120), (2, 124615060), (4, 62307530), (5, 49846024), (8, 31153765), (10, 24923012), (20, 12461506), (40, 6230753), (131, 1902520), (262, 951260), (524, 475630), (655, 380504), (1048, 237815), (1310, 190252), (2620, 95126), (5240, 47563)]