200971210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^2\times {\mathrm{491}}^1$

素因数の和:631

約数の個数: 48

約数和(自身を含む): 402026976

約数和(自身を除く): 201055766

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 491, 610, 671, 982, 1342, 2455, 3355, 3721, 4910, 5401, 6710, 7442, 10802, 18605, 27005, 29951, 37210, 40931, 54010, 59902, 81862, 149755, 204655, 299510, 329461, 409310, 658922, 1647305, 1827011, 3294610, 3654022, 9135055, 18270110, 20097121, 40194242, 100485605, 200971210]

約数ペア:

[(1, 200971210), (2, 100485605), (5, 40194242), (10, 20097121), (11, 18270110), (22, 9135055), (55, 3654022), (61, 3294610), (110, 1827011), (122, 1647305), (305, 658922), (491, 409310), (610, 329461), (671, 299510), (982, 204655), (1342, 149755), (2455, 81862), (3355, 59902), (3721, 54010), (4910, 40931), (5401, 37210), (6710, 29951), (7442, 27005), (10802, 18605)]