1603580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 3792096

約数和(自身を除く): 2188516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 197, 220, 370, 394, 407, 740, 788, 814, 985, 1628, 1970, 2035, 2167, 3940, 4070, 4334, 7289, 8140, 8668, 10835, 14578, 21670, 29156, 36445, 43340, 72890, 80179, 145780, 160358, 320716, 400895, 801790, 1603580]

約数ペア:

[(1, 1603580), (2, 801790), (4, 400895), (5, 320716), (10, 160358), (11, 145780), (20, 80179), (22, 72890), (37, 43340), (44, 36445), (55, 29156), (74, 21670), (110, 14578), (148, 10835), (185, 8668), (197, 8140), (220, 7289), (370, 4334), (394, 4070), (407, 3940), (740, 2167), (788, 2035), (814, 1970), (985, 1628)]