109387880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{390671}}^1$

素因数の和:390689

約数の個数: 32

約数和(自身を含む): 281283840

約数和(自身を除く): 171895960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 390671, 781342, 1562684, 1953355, 2734697, 3125368, 3906710, 5469394, 7813420, 10938788, 13673485, 15626840, 21877576, 27346970, 54693940, 109387880]

約数ペア:

[(1, 109387880), (2, 54693940), (4, 27346970), (5, 21877576), (7, 15626840), (8, 13673485), (10, 10938788), (14, 7813420), (20, 5469394), (28, 3906710), (35, 3125368), (40, 2734697), (56, 1953355), (70, 1562684), (140, 781342), (280, 390671)]