254432420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{60869}}^1$

素因数の和:60908

約数の個数: 48

約数和(自身を含む): 613569600

約数和(自身を除く): 359137180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 60869, 121738, 243476, 304345, 608690, 669559, 1156511, 1217380, 1339118, 2313022, 2678236, 3347795, 4626044, 5782555, 6695590, 11565110, 12721621, 13391180, 23130220, 25443242, 50886484, 63608105, 127216210, 254432420]

約数ペア:

[(1, 254432420), (2, 127216210), (4, 63608105), (5, 50886484), (10, 25443242), (11, 23130220), (19, 13391180), (20, 12721621), (22, 11565110), (38, 6695590), (44, 5782555), (55, 4626044), (76, 3347795), (95, 2678236), (110, 2313022), (190, 1339118), (209, 1217380), (220, 1156511), (380, 669559), (418, 608690), (836, 304345), (1045, 243476), (2090, 121738), (4180, 60869)]