201645140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{787}}^1$

素因数の和:1376

約数の個数: 48

約数和(自身を含む): 443221632

約数和(自身を除く): 241576492

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 557, 787, 1114, 1574, 2228, 2785, 3148, 3935, 5570, 7870, 11140, 12811, 15740, 18101, 25622, 36202, 51244, 64055, 72404, 90505, 128110, 181010, 256220, 362020, 438359, 876718, 1753436, 2191795, 4383590, 8767180, 10082257, 20164514, 40329028, 50411285, 100822570, 201645140]

約数ペア:

[(1, 201645140), (2, 100822570), (4, 50411285), (5, 40329028), (10, 20164514), (20, 10082257), (23, 8767180), (46, 4383590), (92, 2191795), (115, 1753436), (230, 876718), (460, 438359), (557, 362020), (787, 256220), (1114, 181010), (1574, 128110), (2228, 90505), (2785, 72404), (3148, 64055), (3935, 51244), (5570, 36202), (7870, 25622), (11140, 18101), (12811, 15740)]