201946780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{653}}^1$

素因数の和:763

約数の個数: 72

約数和(自身を含む): 495962208

約数和(自身を除く): 294015428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 653, 658, 940, 1306, 1316, 1645, 2209, 2612, 3265, 3290, 4418, 4571, 6530, 6580, 8836, 9142, 11045, 13060, 15463, 18284, 22090, 22855, 30691, 30926, 44180, 45710, 61382, 61852, 77315, 91420, 122764, 153455, 154630, 214837, 306910, 309260, 429674, 613820, 859348, 1074185, 1442477, 2148370, 2884954, 4296740, 5769908, 7212385, 10097339, 14424770, 20194678, 28849540, 40389356, 50486695, 100973390, 201946780]

約数ペア:

[(1, 201946780), (2, 100973390), (4, 50486695), (5, 40389356), (7, 28849540), (10, 20194678), (14, 14424770), (20, 10097339), (28, 7212385), (35, 5769908), (47, 4296740), (70, 2884954), (94, 2148370), (140, 1442477), (188, 1074185), (235, 859348), (329, 613820), (470, 429674), (653, 309260), (658, 306910), (940, 214837), (1306, 154630), (1316, 153455), (1645, 122764), (2209, 91420), (2612, 77315), (3265, 61852), (3290, 61382), (4418, 45710), (4571, 44180), (6530, 30926), (6580, 30691), (8836, 22855), (9142, 22090), (11045, 18284), (13060, 15463)]