209220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 641088

約数和(自身を除く): 431868

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 317, 330, 634, 660, 951, 1268, 1585, 1902, 3170, 3487, 3804, 4755, 6340, 6974, 9510, 10461, 13948, 17435, 19020, 20922, 34870, 41844, 52305, 69740, 104610, 209220]

約数ペア:

[(1, 209220), (2, 104610), (3, 69740), (4, 52305), (5, 41844), (6, 34870), (10, 20922), (11, 19020), (12, 17435), (15, 13948), (20, 10461), (22, 9510), (30, 6974), (33, 6340), (44, 4755), (55, 3804), (60, 3487), (66, 3170), (110, 1902), (132, 1585), (165, 1268), (220, 951), (317, 660), (330, 634)]