2021928040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{9209}}^1$

素因数の和:9730

約数の個数: 64

約数和(自身を含む): 4973400000

約数和(自身を除く): 2951471960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 499, 998, 1996, 2495, 3992, 4990, 5489, 9209, 9980, 10978, 18418, 19960, 21956, 27445, 36836, 43912, 46045, 54890, 73672, 92090, 101299, 109780, 184180, 202598, 219560, 368360, 405196, 506495, 810392, 1012990, 2025980, 4051960, 4595291, 9190582, 18381164, 22976455, 36762328, 45952910, 50548201, 91905820, 101096402, 183811640, 202192804, 252741005, 404385608, 505482010, 1010964020, 2021928040]

約数ペア:

[(1, 2021928040), (2, 1010964020), (4, 505482010), (5, 404385608), (8, 252741005), (10, 202192804), (11, 183811640), (20, 101096402), (22, 91905820), (40, 50548201), (44, 45952910), (55, 36762328), (88, 22976455), (110, 18381164), (220, 9190582), (440, 4595291), (499, 4051960), (998, 2025980), (1996, 1012990), (2495, 810392), (3992, 506495), (4990, 405196), (5489, 368360), (9209, 219560), (9980, 202598), (10978, 184180), (18418, 109780), (19960, 101299), (21956, 92090), (27445, 73672), (36836, 54890), (43912, 46045)]