256315130

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43517}}^1$

素因数の和:43574

約数の個数: 32

約数和(自身を含む): 501327360

約数和(自身を除く): 245012230

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 5890, 43517, 87034, 217585, 435170, 826823, 1349027, 1653646, 2698054, 4134115, 6745135, 8268230, 13490270, 25631513, 51263026, 128157565, 256315130]

約数ペア:

[(1, 256315130), (2, 128157565), (5, 51263026), (10, 25631513), (19, 13490270), (31, 8268230), (38, 6745135), (62, 4134115), (95, 2698054), (155, 1653646), (190, 1349027), (310, 826823), (589, 435170), (1178, 217585), (2945, 87034), (5890, 43517)]