28007700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13337}}^1$

素因数の和:13361

約数の個数: 72

約数和(自身を含む): 92619072

約数和(自身を除く): 64611372

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 13337, 26674, 40011, 53348, 66685, 80022, 93359, 133370, 160044, 186718, 200055, 266740, 280077, 333425, 373436, 400110, 466795, 560154, 666850, 800220, 933590, 1000275, 1120308, 1333700, 1400385, 1867180, 2000550, 2333975, 2800770, 4001100, 4667950, 5601540, 7001925, 9335900, 14003850, 28007700]

約数ペア:

[(1, 28007700), (2, 14003850), (3, 9335900), (4, 7001925), (5, 5601540), (6, 4667950), (7, 4001100), (10, 2800770), (12, 2333975), (14, 2000550), (15, 1867180), (20, 1400385), (21, 1333700), (25, 1120308), (28, 1000275), (30, 933590), (35, 800220), (42, 666850), (50, 560154), (60, 466795), (70, 400110), (75, 373436), (84, 333425), (100, 280077), (105, 266740), (140, 200055), (150, 186718), (175, 160044), (210, 133370), (300, 93359), (350, 80022), (420, 66685), (525, 53348), (700, 40011), (1050, 26674), (2100, 13337)]