207190280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{470887}}^1$

素因数の和:470909

約数の個数: 32

約数和(自身を含む): 508559040

約数和(自身を除く): 301368760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 470887, 941774, 1883548, 2354435, 3767096, 4708870, 5179757, 9417740, 10359514, 18835480, 20719028, 25898785, 41438056, 51797570, 103595140, 207190280]

約数ペア:

[(1, 207190280), (2, 103595140), (4, 51797570), (5, 41438056), (8, 25898785), (10, 20719028), (11, 18835480), (20, 10359514), (22, 9417740), (40, 5179757), (44, 4708870), (55, 3767096), (88, 2354435), (110, 1883548), (220, 941774), (440, 470887)]