7744400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1019}}^1$

素因数の和:1056

約数の個数: 60

約数和(自身を含む): 19604400

約数和(自身を除く): 11860000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1019, 1520, 1900, 2038, 3800, 4076, 5095, 7600, 8152, 10190, 16304, 19361, 20380, 25475, 38722, 40760, 50950, 77444, 81520, 96805, 101900, 154888, 193610, 203800, 309776, 387220, 407600, 484025, 774440, 968050, 1548880, 1936100, 3872200, 7744400]

約数ペア:

[(1, 7744400), (2, 3872200), (4, 1936100), (5, 1548880), (8, 968050), (10, 774440), (16, 484025), (19, 407600), (20, 387220), (25, 309776), (38, 203800), (40, 193610), (50, 154888), (76, 101900), (80, 96805), (95, 81520), (100, 77444), (152, 50950), (190, 40760), (200, 38722), (304, 25475), (380, 20380), (400, 19361), (475, 16304), (760, 10190), (950, 8152), (1019, 7600), (1520, 5095), (1900, 4076), (2038, 3800)]