290156405

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{20369}}^1$

素因数の和:20429

約数の個数: 32

約数和(自身を含む): 445858560

約数和(自身を除く): 155702155

約数列:

[1, 5, 7, 11, 35, 37, 55, 77, 185, 259, 385, 407, 1295, 2035, 2849, 14245, 20369, 101845, 142583, 224059, 712915, 753653, 1120295, 1568413, 3768265, 5275571, 7842065, 8290183, 26377855, 41450915, 58031281, 290156405]

約数ペア:

[(1, 290156405), (5, 58031281), (7, 41450915), (11, 26377855), (35, 8290183), (37, 7842065), (55, 5275571), (77, 3768265), (185, 1568413), (259, 1120295), (385, 753653), (407, 712915), (1295, 224059), (2035, 142583), (2849, 101845), (14245, 20369)]