31545220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{32189}}^1$

素因数の和:32212

約数の個数: 36

約数和(自身を含む): 77062860

約数和(自身を除く): 45517640

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 32189, 64378, 128756, 160945, 225323, 321890, 450646, 643780, 901292, 1126615, 1577261, 2253230, 3154522, 4506460, 6309044, 7886305, 15772610, 31545220]

約数ペア:

[(1, 31545220), (2, 15772610), (4, 7886305), (5, 6309044), (7, 4506460), (10, 3154522), (14, 2253230), (20, 1577261), (28, 1126615), (35, 901292), (49, 643780), (70, 450646), (98, 321890), (140, 225323), (196, 160945), (245, 128756), (490, 64378), (980, 32189)]