7823420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{827}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 18361728

約数和(自身を除く): 10538308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 827, 860, 946, 1654, 1892, 2365, 3308, 4135, 4730, 8270, 9097, 9460, 16540, 18194, 35561, 36388, 45485, 71122, 90970, 142244, 177805, 181940, 355610, 391171, 711220, 782342, 1564684, 1955855, 3911710, 7823420]

約数ペア:

[(1, 7823420), (2, 3911710), (4, 1955855), (5, 1564684), (10, 782342), (11, 711220), (20, 391171), (22, 355610), (43, 181940), (44, 177805), (55, 142244), (86, 90970), (110, 71122), (172, 45485), (215, 36388), (220, 35561), (430, 18194), (473, 16540), (827, 9460), (860, 9097), (946, 8270), (1654, 4730), (1892, 4135), (2365, 3308)]