1900990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2089}}^1$

素因数の和:2116

約数の個数: 32

約数和(自身を含む): 4213440

約数和(自身を除く): 2312450

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 2089, 4178, 10445, 14623, 20890, 27157, 29246, 54314, 73115, 135785, 146230, 190099, 271570, 380198, 950495, 1900990]

約数ペア:

[(1, 1900990), (2, 950495), (5, 380198), (7, 271570), (10, 190099), (13, 146230), (14, 135785), (26, 73115), (35, 54314), (65, 29246), (70, 27157), (91, 20890), (130, 14623), (182, 10445), (455, 4178), (910, 2089)]