30508280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{69337}}^1$

素因数の和:69359

約数の個数: 32

約数和(自身を含む): 74885040

約数和(自身を除く): 44376760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 69337, 138674, 277348, 346685, 554696, 693370, 762707, 1386740, 1525414, 2773480, 3050828, 3813535, 6101656, 7627070, 15254140, 30508280]

約数ペア:

[(1, 30508280), (2, 15254140), (4, 7627070), (5, 6101656), (8, 3813535), (10, 3050828), (11, 2773480), (20, 1525414), (22, 1386740), (40, 762707), (44, 693370), (55, 554696), (88, 346685), (110, 277348), (220, 138674), (440, 69337)]