2155335980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{669359}}^1$

素因数の和:669398

約数の個数: 48

約数和(自身を含む): 5397719040

約数和(自身を除く): 3242383060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 669359, 1338718, 2677436, 3346795, 4685513, 6693590, 9371026, 13387180, 15395257, 18742052, 23427565, 30790514, 46855130, 61581028, 76976285, 93710260, 107766799, 153952570, 215533598, 307905140, 431067196, 538833995, 1077667990, 2155335980]

約数ペア:

[(1, 2155335980), (2, 1077667990), (4, 538833995), (5, 431067196), (7, 307905140), (10, 215533598), (14, 153952570), (20, 107766799), (23, 93710260), (28, 76976285), (35, 61581028), (46, 46855130), (70, 30790514), (92, 23427565), (115, 18742052), (140, 15395257), (161, 13387180), (230, 9371026), (322, 6693590), (460, 4685513), (644, 3346795), (805, 2677436), (1610, 1338718), (3220, 669359)]