12729727220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1934609}}^1$

素因数の和:1934672

約数の個数: 48

約数和(自身を含む): 31201390080

約数和(自身を除く): 18471662860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 1934609, 3869218, 7738436, 9673045, 13542263, 19346090, 27084526, 38692180, 54169052, 67711315, 90926623, 135422630, 181853246, 270845260, 363706492, 454633115, 636486361, 909266230, 1272972722, 1818532460, 2545945444, 3182431805, 6364863610, 12729727220]

約数ペア:

[(1, 12729727220), (2, 6364863610), (4, 3182431805), (5, 2545945444), (7, 1818532460), (10, 1272972722), (14, 909266230), (20, 636486361), (28, 454633115), (35, 363706492), (47, 270845260), (70, 181853246), (94, 135422630), (140, 90926623), (188, 67711315), (235, 54169052), (329, 38692180), (470, 27084526), (658, 19346090), (940, 13542263), (1316, 9673045), (1645, 7738436), (3290, 3869218), (6580, 1934609)]