201242780

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{42101}}^1$

素因数の和:42349

約数の個数: 24

約数和(自身を含む): 424388160

約数和(自身を除く): 223145380

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 42101, 84202, 168404, 210505, 421010, 842020, 10062139, 20124278, 40248556, 50310695, 100621390, 201242780]

約数ペア:

[(1, 201242780), (2, 100621390), (4, 50310695), (5, 40248556), (10, 20124278), (20, 10062139), (239, 842020), (478, 421010), (956, 210505), (1195, 168404), (2390, 84202), (4780, 42101)]