195138020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{126713}}^1$

素因数の和:126740

約数の個数: 48

約数和(自身を含む): 510910848

約数和(自身を除く): 315772828

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 126713, 253426, 506852, 633565, 886991, 1267130, 1393843, 1773982, 2534260, 2787686, 3547964, 4434955, 5575372, 6969215, 8869910, 9756901, 13938430, 17739820, 19513802, 27876860, 39027604, 48784505, 97569010, 195138020]

約数ペア:

[(1, 195138020), (2, 97569010), (4, 48784505), (5, 39027604), (7, 27876860), (10, 19513802), (11, 17739820), (14, 13938430), (20, 9756901), (22, 8869910), (28, 6969215), (35, 5575372), (44, 4434955), (55, 3547964), (70, 2787686), (77, 2534260), (110, 1773982), (140, 1393843), (154, 1267130), (220, 886991), (308, 633565), (385, 506852), (770, 253426), (1540, 126713)]