201318460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{205427}}^1$

素因数の和:205450

約数の個数: 36

約数和(自身を含む): 491794632

約数和(自身を除く): 290476172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 205427, 410854, 821708, 1027135, 1437989, 2054270, 2875978, 4108540, 5751956, 7189945, 10065923, 14379890, 20131846, 28759780, 40263692, 50329615, 100659230, 201318460]

約数ペア:

[(1, 201318460), (2, 100659230), (4, 50329615), (5, 40263692), (7, 28759780), (10, 20131846), (14, 14379890), (20, 10065923), (28, 7189945), (35, 5751956), (49, 4108540), (70, 2875978), (98, 2054270), (140, 1437989), (196, 1027135), (245, 821708), (490, 410854), (980, 205427)]