217475710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{10501}}^1$

素因数の和:10636

約数の個数: 32

約数和(自身を含む): 415879200

約数和(自身を除く): 198403490

約数列:

[1, 2, 5, 10, 19, 38, 95, 109, 190, 218, 545, 1090, 2071, 4142, 10355, 10501, 20710, 21002, 52505, 105010, 199519, 399038, 997595, 1144609, 1995190, 2289218, 5723045, 11446090, 21747571, 43495142, 108737855, 217475710]

約数ペア:

[(1, 217475710), (2, 108737855), (5, 43495142), (10, 21747571), (19, 11446090), (38, 5723045), (95, 2289218), (109, 1995190), (190, 1144609), (218, 997595), (545, 399038), (1090, 199519), (2071, 105010), (4142, 52505), (10355, 21002), (10501, 20710)]