421036220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{44507}}^1$

素因数の和:44570

約数の個数: 48

約数和(自身を含む): 987009408

約数和(自身を除く): 565973188

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, 44507, 89014, 178028, 222535, 445070, 489577, 890140, 979154, 1913801, 1958308, 2447885, 3827602, 4895770, 7655204, 9569005, 9791540, 19138010, 21051811, 38276020, 42103622, 84207244, 105259055, 210518110, 421036220]

約数ペア:

[(1, 421036220), (2, 210518110), (4, 105259055), (5, 84207244), (10, 42103622), (11, 38276020), (20, 21051811), (22, 19138010), (43, 9791540), (44, 9569005), (55, 7655204), (86, 4895770), (110, 3827602), (172, 2447885), (215, 1958308), (220, 1913801), (430, 979154), (473, 890140), (860, 489577), (946, 445070), (1892, 222535), (2365, 178028), (4730, 89014), (9460, 44507)]