256519950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{90007}}^1$

素因数の和:90041

約数の個数: 48

約数和(自身を含む): 669659520

約数和(自身を除く): 413139570

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 75, 95, 114, 150, 190, 285, 475, 570, 950, 1425, 2850, 90007, 180014, 270021, 450035, 540042, 900070, 1350105, 1710133, 2250175, 2700210, 3420266, 4500350, 5130399, 6750525, 8550665, 10260798, 13501050, 17101330, 25651995, 42753325, 51303990, 85506650, 128259975, 256519950]

約数ペア:

[(1, 256519950), (2, 128259975), (3, 85506650), (5, 51303990), (6, 42753325), (10, 25651995), (15, 17101330), (19, 13501050), (25, 10260798), (30, 8550665), (38, 6750525), (50, 5130399), (57, 4500350), (75, 3420266), (95, 2700210), (114, 2250175), (150, 1710133), (190, 1350105), (285, 900070), (475, 540042), (570, 450035), (950, 270021), (1425, 180014), (2850, 90007)]