273782020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{1901}}^1$

素因数の和:2308

約数の個数: 48

約数和(自身を含む): 607118400

約数和(自身を除く): 333336380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 379, 380, 758, 1516, 1895, 1901, 3790, 3802, 7201, 7580, 7604, 9505, 14402, 19010, 28804, 36005, 36119, 38020, 72010, 72238, 144020, 144476, 180595, 361190, 720479, 722380, 1440958, 2881916, 3602395, 7204790, 13689101, 14409580, 27378202, 54756404, 68445505, 136891010, 273782020]

約数ペア:

[(1, 273782020), (2, 136891010), (4, 68445505), (5, 54756404), (10, 27378202), (19, 14409580), (20, 13689101), (38, 7204790), (76, 3602395), (95, 2881916), (190, 1440958), (379, 722380), (380, 720479), (758, 361190), (1516, 180595), (1895, 144476), (1901, 144020), (3790, 72238), (3802, 72010), (7201, 38020), (7580, 36119), (7604, 36005), (9505, 28804), (14402, 19010)]