279336290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{16519}}^1$

素因数の和:16634

約数の個数: 32

約数和(自身を含む): 535248000

約数和(自身を除く): 255911710

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 445, 890, 1691, 3382, 8455, 16519, 16910, 33038, 82595, 165190, 313861, 627722, 1470191, 1569305, 2940382, 3138610, 7350955, 14701910, 27933629, 55867258, 139668145, 279336290]

約数ペア:

[(1, 279336290), (2, 139668145), (5, 55867258), (10, 27933629), (19, 14701910), (38, 7350955), (89, 3138610), (95, 2940382), (178, 1569305), (190, 1470191), (445, 627722), (890, 313861), (1691, 165190), (3382, 82595), (8455, 33038), (16519, 16910)]