309620210

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{2657}}^1$

素因数の和:2978

約数の個数: 32

約数和(自身を含む): 572596992

約数和(自身を除く): 262976782

約数列:

[1, 2, 5, 10, 43, 86, 215, 271, 430, 542, 1355, 2657, 2710, 5314, 11653, 13285, 23306, 26570, 58265, 114251, 116530, 228502, 571255, 720047, 1142510, 1440094, 3600235, 7200470, 30962021, 61924042, 154810105, 309620210]

約数ペア:

[(1, 309620210), (2, 154810105), (5, 61924042), (10, 30962021), (43, 7200470), (86, 3600235), (215, 1440094), (271, 1142510), (430, 720047), (542, 571255), (1355, 228502), (2657, 116530), (2710, 114251), (5314, 58265), (11653, 26570), (13285, 23306)]