196991710

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{1049}}^1$

素因数の和:1356

約数の個数: 32

約数和(自身を含む): 360612000

約数和(自身を除く): 163620290

約数列:

[1, 2, 5, 10, 89, 178, 211, 422, 445, 890, 1049, 1055, 2098, 2110, 5245, 10490, 18779, 37558, 93361, 93895, 186722, 187790, 221339, 442678, 466805, 933610, 1106695, 2213390, 19699171, 39398342, 98495855, 196991710]

約数ペア:

[(1, 196991710), (2, 98495855), (5, 39398342), (10, 19699171), (89, 2213390), (178, 1106695), (211, 933610), (422, 466805), (445, 442678), (890, 221339), (1049, 187790), (1055, 186722), (2098, 93895), (2110, 93361), (5245, 37558), (10490, 18779)]