4140780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{9859}}^1$

素因数の和:9878

約数の個数: 48

約数和(自身を含む): 13251840

約数和(自身を除く): 9111060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 9859, 19718, 29577, 39436, 49295, 59154, 69013, 98590, 118308, 138026, 147885, 197180, 207039, 276052, 295770, 345065, 414078, 591540, 690130, 828156, 1035195, 1380260, 2070390, 4140780]

約数ペア:

[(1, 4140780), (2, 2070390), (3, 1380260), (4, 1035195), (5, 828156), (6, 690130), (7, 591540), (10, 414078), (12, 345065), (14, 295770), (15, 276052), (20, 207039), (21, 197180), (28, 147885), (30, 138026), (35, 118308), (42, 98590), (60, 69013), (70, 59154), (84, 49295), (105, 39436), (140, 29577), (210, 19718), (420, 9859)]