275280280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{625637}}^1$

素因数の和:625659

約数の個数: 32

約数和(自身を含む): 675689040

約数和(自身を除く): 400408760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 625637, 1251274, 2502548, 3128185, 5005096, 6256370, 6882007, 12512740, 13764014, 25025480, 27528028, 34410035, 55056056, 68820070, 137640140, 275280280]

約数ペア:

[(1, 275280280), (2, 137640140), (4, 68820070), (5, 55056056), (8, 34410035), (10, 27528028), (11, 25025480), (20, 13764014), (22, 12512740), (40, 6882007), (44, 6256370), (55, 5005096), (88, 3128185), (110, 2502548), (220, 1251274), (440, 625637)]