828591940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{87589}}^1$

素因数の和:87652

約数の個数: 48

約数和(自身を含む): 1942395840

約数和(自身を除く): 1113803900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 87589, 175178, 350356, 437945, 875890, 963479, 1751780, 1926958, 3766327, 3853916, 4817395, 7532654, 9634790, 15065308, 18831635, 19269580, 37663270, 41429597, 75326540, 82859194, 165718388, 207147985, 414295970, 828591940]

約数ペア:

[(1, 828591940), (2, 414295970), (4, 207147985), (5, 165718388), (10, 82859194), (11, 75326540), (20, 41429597), (22, 37663270), (43, 19269580), (44, 18831635), (55, 15065308), (86, 9634790), (110, 7532654), (172, 4817395), (215, 3853916), (220, 3766327), (430, 1926958), (473, 1751780), (860, 963479), (946, 875890), (1892, 437945), (2365, 350356), (4730, 175178), (9460, 87589)]