30969260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{221209}}^1$

素因数の和:221225

約数の個数: 24

約数和(自身を含む): 74326560

約数和(自身を除く): 43357300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 221209, 442418, 884836, 1106045, 1548463, 2212090, 3096926, 4424180, 6193852, 7742315, 15484630, 30969260]

約数ペア:

[(1, 30969260), (2, 15484630), (4, 7742315), (5, 6193852), (7, 4424180), (10, 3096926), (14, 2212090), (20, 1548463), (28, 1106045), (35, 884836), (70, 442418), (140, 221209)]