247996890

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{306169}}^1$

素因数の和:306188

約数の個数: 40

約数和(自身を含む): 666838260

約数和(自身を除く): 418841370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 306169, 612338, 918507, 1530845, 1837014, 2755521, 3061690, 4592535, 5511042, 8266563, 9185070, 13777605, 16533126, 24799689, 27555210, 41332815, 49599378, 82665630, 123998445, 247996890]

約数ペア:

[(1, 247996890), (2, 123998445), (3, 82665630), (5, 49599378), (6, 41332815), (9, 27555210), (10, 24799689), (15, 16533126), (18, 13777605), (27, 9185070), (30, 8266563), (45, 5511042), (54, 4592535), (81, 3061690), (90, 2755521), (135, 1837014), (162, 1530845), (270, 918507), (405, 612338), (810, 306169)]