2783505890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1331821}}^1$

素因数の和:1331858

約数の個数: 32

約数和(自身を含む): 5753471040

約数和(自身を除く): 2969965150

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 1331821, 2663642, 6659105, 13318210, 14650031, 25304599, 29300062, 50609198, 73250155, 126522995, 146500310, 253045990, 278350589, 556701178, 1391752945, 2783505890]

約数ペア:

[(1, 2783505890), (2, 1391752945), (5, 556701178), (10, 278350589), (11, 253045990), (19, 146500310), (22, 126522995), (38, 73250155), (55, 50609198), (95, 29300062), (110, 25304599), (190, 14650031), (209, 13318210), (418, 6659105), (1045, 2663642), (2090, 1331821)]