133130420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{353}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 284573520

約数和(自身を除く): 151443100

約数列:

[1, 2, 4, 5, 10, 20, 109, 173, 218, 346, 353, 436, 545, 692, 706, 865, 1090, 1412, 1730, 1765, 2180, 3460, 3530, 7060, 18857, 37714, 38477, 61069, 75428, 76954, 94285, 122138, 153908, 188570, 192385, 244276, 305345, 377140, 384770, 610690, 769540, 1221380, 6656521, 13313042, 26626084, 33282605, 66565210, 133130420]

約数ペア:

[(1, 133130420), (2, 66565210), (4, 33282605), (5, 26626084), (10, 13313042), (20, 6656521), (109, 1221380), (173, 769540), (218, 610690), (346, 384770), (353, 377140), (436, 305345), (545, 244276), (692, 192385), (706, 188570), (865, 153908), (1090, 122138), (1412, 94285), (1730, 76954), (1765, 75428), (2180, 61069), (3460, 38477), (3530, 37714), (7060, 18857)]