8439800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2221}}^1$

素因数の和:2256

約数の個数: 48

約数和(自身を含む): 20664600

約数和(自身を除く): 12224800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 2221, 3800, 4442, 8884, 11105, 17768, 22210, 42199, 44420, 55525, 84398, 88840, 111050, 168796, 210995, 222100, 337592, 421990, 444200, 843980, 1054975, 1687960, 2109950, 4219900, 8439800]

約数ペア:

[(1, 8439800), (2, 4219900), (4, 2109950), (5, 1687960), (8, 1054975), (10, 843980), (19, 444200), (20, 421990), (25, 337592), (38, 222100), (40, 210995), (50, 168796), (76, 111050), (95, 88840), (100, 84398), (152, 55525), (190, 44420), (200, 42199), (380, 22210), (475, 17768), (760, 11105), (950, 8884), (1900, 4442), (2221, 3800)]