209367060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{498493}}^1$

素因数の和:498512

約数の個数: 48

約数和(自身を含む): 669975936

約数和(自身を除く): 460608876

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, 498493, 996986, 1495479, 1993972, 2492465, 2990958, 3489451, 4984930, 5981916, 6978902, 7477395, 9969860, 10468353, 13957804, 14954790, 17447255, 20936706, 29909580, 34894510, 41873412, 52341765, 69789020, 104683530, 209367060]

約数ペア:

[(1, 209367060), (2, 104683530), (3, 69789020), (4, 52341765), (5, 41873412), (6, 34894510), (7, 29909580), (10, 20936706), (12, 17447255), (14, 14954790), (15, 13957804), (20, 10468353), (21, 9969860), (28, 7477395), (30, 6978902), (35, 5981916), (42, 4984930), (60, 3489451), (70, 2990958), (84, 2492465), (105, 1993972), (140, 1495479), (210, 996986), (420, 498493)]