212743860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{506533}}^1$

素因数の和:506552

約数の個数: 48

約数和(自身を含む): 680781696

約数和(自身を除く): 468037836

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, 506533, 1013066, 1519599, 2026132, 2532665, 3039198, 3545731, 5065330, 6078396, 7091462, 7597995, 10130660, 10637193, 14182924, 15195990, 17728655, 21274386, 30391980, 35457310, 42548772, 53185965, 70914620, 106371930, 212743860]

約数ペア:

[(1, 212743860), (2, 106371930), (3, 70914620), (4, 53185965), (5, 42548772), (6, 35457310), (7, 30391980), (10, 21274386), (12, 17728655), (14, 15195990), (15, 14182924), (20, 10637193), (21, 10130660), (28, 7597995), (30, 7091462), (35, 6078396), (42, 5065330), (60, 3545731), (70, 3039198), (84, 2532665), (105, 2026132), (140, 1519599), (210, 1013066), (420, 506533)]