138900090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{977}}^1$

素因数の和:1671

約数の個数: 64

約数和(自身を含む): 381936384

約数和(自身を除く): 243036294

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 677, 977, 1354, 1954, 2031, 2931, 3385, 4062, 4739, 4885, 5862, 6770, 6839, 9478, 9770, 10155, 13678, 14217, 14655, 20310, 20517, 23695, 28434, 29310, 34195, 41034, 47390, 68390, 71085, 102585, 142170, 205170, 661429, 1322858, 1984287, 3307145, 3968574, 4630003, 6614290, 9260006, 9921435, 13890009, 19842870, 23150015, 27780018, 46300030, 69450045, 138900090]

約数ペア:

[(1, 138900090), (2, 69450045), (3, 46300030), (5, 27780018), (6, 23150015), (7, 19842870), (10, 13890009), (14, 9921435), (15, 9260006), (21, 6614290), (30, 4630003), (35, 3968574), (42, 3307145), (70, 1984287), (105, 1322858), (210, 661429), (677, 205170), (977, 142170), (1354, 102585), (1954, 71085), (2031, 68390), (2931, 47390), (3385, 41034), (4062, 34195), (4739, 29310), (4885, 28434), (5862, 23695), (6770, 20517), (6839, 20310), (9478, 14655), (9770, 14217), (10155, 13678)]