221828460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{528163}}^1$

素因数の和:528182

約数の個数: 48

約数和(自身を含む): 709852416

約数和(自身を除く): 488023956

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, 528163, 1056326, 1584489, 2112652, 2640815, 3168978, 3697141, 5281630, 6337956, 7394282, 7922445, 10563260, 11091423, 14788564, 15844890, 18485705, 22182846, 31689780, 36971410, 44365692, 55457115, 73942820, 110914230, 221828460]

約数ペア:

[(1, 221828460), (2, 110914230), (3, 73942820), (4, 55457115), (5, 44365692), (6, 36971410), (7, 31689780), (10, 22182846), (12, 18485705), (14, 15844890), (15, 14788564), (20, 11091423), (21, 10563260), (28, 7922445), (30, 7394282), (35, 6337956), (42, 5281630), (60, 3697141), (70, 3168978), (84, 2640815), (105, 2112652), (140, 1584489), (210, 1056326), (420, 528163)]