215750990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{237089}}^1$

素因数の和:237116

約数の個数: 32

約数和(自身を含む): 477973440

約数和(自身を除く): 262222450

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 237089, 474178, 1185445, 1659623, 2370890, 3082157, 3319246, 6164314, 8298115, 15410785, 16596230, 21575099, 30821570, 43150198, 107875495, 215750990]

約数ペア:

[(1, 215750990), (2, 107875495), (5, 43150198), (7, 30821570), (10, 21575099), (13, 16596230), (14, 15410785), (26, 8298115), (35, 6164314), (65, 3319246), (70, 3082157), (91, 2370890), (130, 1659623), (182, 1185445), (455, 474178), (910, 237089)]