147836220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{351991}}^1$

素因数の和:352010

約数の個数: 48

約数和(自身を含む): 473077248

約数和(自身を除く): 325241028

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, 351991, 703982, 1055973, 1407964, 1759955, 2111946, 2463937, 3519910, 4223892, 4927874, 5279865, 7039820, 7391811, 9855748, 10559730, 12319685, 14783622, 21119460, 24639370, 29567244, 36959055, 49278740, 73918110, 147836220]

約数ペア:

[(1, 147836220), (2, 73918110), (3, 49278740), (4, 36959055), (5, 29567244), (6, 24639370), (7, 21119460), (10, 14783622), (12, 12319685), (14, 10559730), (15, 9855748), (20, 7391811), (21, 7039820), (28, 5279865), (30, 4927874), (35, 4223892), (42, 3519910), (60, 2463937), (70, 2111946), (84, 1759955), (105, 1407964), (140, 1055973), (210, 703982), (420, 351991)]