355271980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{28513}}^1$

素因数の和:28618

約数の個数: 48

約数和(自身を含む): 862263360

約数和(自身を除く): 506991380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 12460, 28513, 57026, 114052, 142565, 199591, 285130, 399182, 570260, 798364, 997955, 1995910, 2537657, 3991820, 5075314, 10150628, 12688285, 17763599, 25376570, 35527198, 50753140, 71054396, 88817995, 177635990, 355271980]

約数ペア:

[(1, 355271980), (2, 177635990), (4, 88817995), (5, 71054396), (7, 50753140), (10, 35527198), (14, 25376570), (20, 17763599), (28, 12688285), (35, 10150628), (70, 5075314), (89, 3991820), (140, 2537657), (178, 1995910), (356, 997955), (445, 798364), (623, 570260), (890, 399182), (1246, 285130), (1780, 199591), (2492, 142565), (3115, 114052), (6230, 57026), (12460, 28513)]