17405740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1297}}^1$

素因数の和:1378

約数の個数: 48

約数和(自身を含む): 40559904

約数和(自身を除く): 23154164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1297, 1342, 2594, 2684, 3355, 5188, 6485, 6710, 12970, 13420, 14267, 25940, 28534, 57068, 71335, 79117, 142670, 158234, 285340, 316468, 395585, 791170, 870287, 1582340, 1740574, 3481148, 4351435, 8702870, 17405740]

約数ペア:

[(1, 17405740), (2, 8702870), (4, 4351435), (5, 3481148), (10, 1740574), (11, 1582340), (20, 870287), (22, 791170), (44, 395585), (55, 316468), (61, 285340), (110, 158234), (122, 142670), (220, 79117), (244, 71335), (305, 57068), (610, 28534), (671, 25940), (1220, 14267), (1297, 13420), (1342, 12970), (2594, 6710), (2684, 6485), (3355, 5188)]