257430310

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1\times {\mathrm{1153}}^1$

素因数の和:1512

約数の個数: 32

約数和(自身を含む): 471108960

約数和(自身を除く): 213678650

約数列:

[1, 2, 5, 10, 83, 166, 269, 415, 538, 830, 1153, 1345, 2306, 2690, 5765, 11530, 22327, 44654, 95699, 111635, 191398, 223270, 310157, 478495, 620314, 956990, 1550785, 3101570, 25743031, 51486062, 128715155, 257430310]

約数ペア:

[(1, 257430310), (2, 128715155), (5, 51486062), (10, 25743031), (83, 3101570), (166, 1550785), (269, 956990), (415, 620314), (538, 478495), (830, 310157), (1153, 223270), (1345, 191398), (2306, 111635), (2690, 95699), (5765, 44654), (11530, 22327)]