12758620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:347

約数の個数: 72

約数和(自身を含む): 31945536

約数和(自身を除く): 19186916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 277, 329, 470, 490, 554, 658, 940, 980, 1108, 1316, 1385, 1645, 1939, 2303, 2770, 3290, 3878, 4606, 5540, 6580, 7756, 9212, 9695, 11515, 13019, 13573, 19390, 23030, 26038, 27146, 38780, 46060, 52076, 54292, 65095, 67865, 91133, 130190, 135730, 182266, 260380, 271460, 364532, 455665, 637931, 911330, 1275862, 1822660, 2551724, 3189655, 6379310, 12758620]

約数ペア:

[(1, 12758620), (2, 6379310), (4, 3189655), (5, 2551724), (7, 1822660), (10, 1275862), (14, 911330), (20, 637931), (28, 455665), (35, 364532), (47, 271460), (49, 260380), (70, 182266), (94, 135730), (98, 130190), (140, 91133), (188, 67865), (196, 65095), (235, 54292), (245, 52076), (277, 46060), (329, 38780), (470, 27146), (490, 26038), (554, 23030), (658, 19390), (940, 13573), (980, 13019), (1108, 11515), (1316, 9695), (1385, 9212), (1645, 7756), (1939, 6580), (2303, 5540), (2770, 4606), (3290, 3878)]