198060280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{450137}}^1$

素因数の和:450159

約数の個数: 32

約数和(自身を含む): 486149040

約数和(自身を除く): 288088760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 450137, 900274, 1800548, 2250685, 3601096, 4501370, 4951507, 9002740, 9903014, 18005480, 19806028, 24757535, 39612056, 49515070, 99030140, 198060280]

約数ペア:

[(1, 198060280), (2, 99030140), (4, 49515070), (5, 39612056), (8, 24757535), (10, 19806028), (11, 18005480), (20, 9903014), (22, 9002740), (40, 4951507), (44, 4501370), (55, 3601096), (88, 2250685), (110, 1800548), (220, 900274), (440, 450137)]