79803800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{21001}}^1$

素因数の和:21036

約数の個数: 48

約数和(自身を含む): 195318600

約数和(自身を除く): 115514800

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, 3800, 21001, 42002, 84004, 105005, 168008, 210010, 399019, 420020, 525025, 798038, 840040, 1050050, 1596076, 1995095, 2100100, 3192152, 3990190, 4200200, 7980380, 9975475, 15960760, 19950950, 39901900, 79803800]

約数ペア:

[(1, 79803800), (2, 39901900), (4, 19950950), (5, 15960760), (8, 9975475), (10, 7980380), (19, 4200200), (20, 3990190), (25, 3192152), (38, 2100100), (40, 1995095), (50, 1596076), (76, 1050050), (95, 840040), (100, 798038), (152, 525025), (190, 420020), (200, 399019), (380, 210010), (475, 168008), (760, 105005), (950, 84004), (1900, 42002), (3800, 21001)]