129654420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{308701}}^1$

素因数の和:308720

約数の個数: 48

約数和(自身を含む): 414895488

約数和(自身を除く): 285241068

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, 308701, 617402, 926103, 1234804, 1543505, 1852206, 2160907, 3087010, 3704412, 4321814, 4630515, 6174020, 6482721, 8643628, 9261030, 10804535, 12965442, 18522060, 21609070, 25930884, 32413605, 43218140, 64827210, 129654420]

約数ペア:

[(1, 129654420), (2, 64827210), (3, 43218140), (4, 32413605), (5, 25930884), (6, 21609070), (7, 18522060), (10, 12965442), (12, 10804535), (14, 9261030), (15, 8643628), (20, 6482721), (21, 6174020), (28, 4630515), (30, 4321814), (35, 3704412), (42, 3087010), (60, 2160907), (70, 1852206), (84, 1543505), (105, 1234804), (140, 926103), (210, 617402), (420, 308701)]