49898740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 113725080

約数和(自身を除く): 63826340

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 97, 170, 178, 194, 289, 340, 356, 388, 445, 485, 578, 890, 970, 1156, 1445, 1513, 1649, 1780, 1940, 2890, 3026, 3298, 5780, 6052, 6596, 7565, 8245, 8633, 15130, 16490, 17266, 25721, 28033, 30260, 32980, 34532, 43165, 51442, 56066, 86330, 102884, 112132, 128605, 140165, 146761, 172660, 257210, 280330, 293522, 514420, 560660, 587044, 733805, 1467610, 2494937, 2935220, 4989874, 9979748, 12474685, 24949370, 49898740]

約数ペア:

[(1, 49898740), (2, 24949370), (4, 12474685), (5, 9979748), (10, 4989874), (17, 2935220), (20, 2494937), (34, 1467610), (68, 733805), (85, 587044), (89, 560660), (97, 514420), (170, 293522), (178, 280330), (194, 257210), (289, 172660), (340, 146761), (356, 140165), (388, 128605), (445, 112132), (485, 102884), (578, 86330), (890, 56066), (970, 51442), (1156, 43165), (1445, 34532), (1513, 32980), (1649, 30260), (1780, 28033), (1940, 25721), (2890, 17266), (3026, 16490), (3298, 15130), (5780, 8633), (6052, 8245), (6596, 7565)]