4151980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{631}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 10192896

約数和(自身を除く): 6040916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 631, 658, 940, 1262, 1316, 1645, 2524, 3155, 3290, 4417, 6310, 6580, 8834, 12620, 17668, 22085, 29657, 44170, 59314, 88340, 118628, 148285, 207599, 296570, 415198, 593140, 830396, 1037995, 2075990, 4151980]

約数ペア:

[(1, 4151980), (2, 2075990), (4, 1037995), (5, 830396), (7, 593140), (10, 415198), (14, 296570), (20, 207599), (28, 148285), (35, 118628), (47, 88340), (70, 59314), (94, 44170), (140, 29657), (188, 22085), (235, 17668), (329, 12620), (470, 8834), (631, 6580), (658, 6310), (940, 4417), (1262, 3290), (1316, 3155), (1645, 2524)]