31254020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223243}}^1$

素因数の和:223259

約数の個数: 24

約数和(自身を含む): 75009984

約数和(自身を除く): 43755964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223243, 446486, 892972, 1116215, 1562701, 2232430, 3125402, 4464860, 6250804, 7813505, 15627010, 31254020]

約数ペア:

[(1, 31254020), (2, 15627010), (4, 7813505), (5, 6250804), (7, 4464860), (10, 3125402), (14, 2232430), (20, 1562701), (28, 1116215), (35, 892972), (70, 446486), (140, 223243)]