1388184140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{50333}}^1$

素因数の和:50546

約数の個数: 48

約数和(自身を含む): 3348620352

約数和(自身を除く): 1960436212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2758, 3940, 5516, 6895, 13790, 27580, 50333, 100666, 201332, 251665, 352331, 503330, 704662, 1006660, 1409324, 1761655, 3523310, 7046620, 9915601, 19831202, 39662404, 49578005, 69409207, 99156010, 138818414, 198312020, 277636828, 347046035, 694092070, 1388184140]

約数ペア:

[(1, 1388184140), (2, 694092070), (4, 347046035), (5, 277636828), (7, 198312020), (10, 138818414), (14, 99156010), (20, 69409207), (28, 49578005), (35, 39662404), (70, 19831202), (140, 9915601), (197, 7046620), (394, 3523310), (788, 1761655), (985, 1409324), (1379, 1006660), (1970, 704662), (2758, 503330), (3940, 352331), (5516, 251665), (6895, 201332), (13790, 100666), (27580, 50333)]