253661210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{121369}}^1$

素因数の和:121406

約数の個数: 32

約数和(自身を含む): 524318400

約数和(自身を除く): 270657190

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 121369, 242738, 606845, 1213690, 1335059, 2306011, 2670118, 4612022, 6675295, 11530055, 13350590, 23060110, 25366121, 50732242, 126830605, 253661210]

約数ペア:

[(1, 253661210), (2, 126830605), (5, 50732242), (10, 25366121), (11, 23060110), (19, 13350590), (22, 11530055), (38, 6675295), (55, 4612022), (95, 2670118), (110, 2306011), (190, 1335059), (209, 1213690), (418, 606845), (1045, 242738), (2090, 121369)]