212848860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{506783}}^1$

素因数の和:506802

約数の個数: 48

約数和(自身を含む): 681117696

約数和(自身を除く): 468268836

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, 506783, 1013566, 1520349, 2027132, 2533915, 3040698, 3547481, 5067830, 6081396, 7094962, 7601745, 10135660, 10642443, 14189924, 15203490, 17737405, 21284886, 30406980, 35474810, 42569772, 53212215, 70949620, 106424430, 212848860]

約数ペア:

[(1, 212848860), (2, 106424430), (3, 70949620), (4, 53212215), (5, 42569772), (6, 35474810), (7, 30406980), (10, 21284886), (12, 17737405), (14, 15203490), (15, 14189924), (20, 10642443), (21, 10135660), (28, 7601745), (30, 7094962), (35, 6081396), (42, 5067830), (60, 3547481), (70, 3040698), (84, 2533915), (105, 2027132), (140, 1520349), (210, 1013566), (420, 506783)]