214620420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{511001}}^1$

素因数の和:511020

約数の個数: 48

約数和(自身を含む): 686786688

約数和(自身を除く): 472166268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 511001, 1022002, 1533003, 2044004, 2555005, 3066006, 3577007, 5110010, 6132012, 7154014, 7665015, 10220020, 10731021, 14308028, 15330030, 17885035, 21462042, 30660060, 35770070, 42924084, 53655105, 71540140, 107310210, 214620420]

約数ペア:

[(1, 214620420), (2, 107310210), (3, 71540140), (4, 53655105), (5, 42924084), (6, 35770070), (7, 30660060), (10, 21462042), (12, 17885035), (14, 15330030), (15, 14308028), (20, 10731021), (21, 10220020), (28, 7665015), (30, 7154014), (35, 6132012), (42, 5110010), (60, 3577007), (70, 3066006), (84, 2555005), (105, 2044004), (140, 1533003), (210, 1022002), (420, 511001)]