311412860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{128683}}^1$

素因数の和:128714

約数の個数: 36

約数和(自身を含む): 718828824

約数和(自身を除く): 407415964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 128683, 257366, 514732, 643415, 1286830, 1415513, 2573660, 2831026, 5662052, 7077565, 14155130, 15570643, 28310260, 31141286, 62282572, 77853215, 155706430, 311412860]

約数ペア:

[(1, 311412860), (2, 155706430), (4, 77853215), (5, 62282572), (10, 31141286), (11, 28310260), (20, 15570643), (22, 14155130), (44, 7077565), (55, 5662052), (110, 2831026), (121, 2573660), (220, 1415513), (242, 1286830), (484, 643415), (605, 514732), (1210, 257366), (2420, 128683)]