331380710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{16001}}^1$

素因数の和:16136

約数の個数: 32

約数和(自身を含む): 633679200

約数和(自身を除く): 302298490

約数列:

[1, 2, 5, 10, 19, 38, 95, 109, 190, 218, 545, 1090, 2071, 4142, 10355, 16001, 20710, 32002, 80005, 160010, 304019, 608038, 1520095, 1744109, 3040190, 3488218, 8720545, 17441090, 33138071, 66276142, 165690355, 331380710]

約数ペア:

[(1, 331380710), (2, 165690355), (5, 66276142), (10, 33138071), (19, 17441090), (38, 8720545), (95, 3488218), (109, 3040190), (190, 1744109), (218, 1520095), (545, 608038), (1090, 304019), (2071, 160010), (4142, 80005), (10355, 32002), (16001, 20710)]