106920280

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:436

約数の個数: 64

約数和(自身を含む): 245916000

約数和(自身を除く): 138995720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 137, 179, 218, 274, 358, 436, 545, 548, 685, 716, 872, 895, 1090, 1096, 1370, 1432, 1790, 2180, 2740, 3580, 4360, 5480, 7160, 14933, 19511, 24523, 29866, 39022, 49046, 59732, 74665, 78044, 97555, 98092, 119464, 122615, 149330, 156088, 195110, 196184, 245230, 298660, 390220, 490460, 597320, 780440, 980920, 2673007, 5346014, 10692028, 13365035, 21384056, 26730070, 53460140, 106920280]

約数ペア:

[(1, 106920280), (2, 53460140), (4, 26730070), (5, 21384056), (8, 13365035), (10, 10692028), (20, 5346014), (40, 2673007), (109, 980920), (137, 780440), (179, 597320), (218, 490460), (274, 390220), (358, 298660), (436, 245230), (545, 196184), (548, 195110), (685, 156088), (716, 149330), (872, 122615), (895, 119464), (1090, 98092), (1096, 97555), (1370, 78044), (1432, 74665), (1790, 59732), (2180, 49046), (2740, 39022), (3580, 29866), (4360, 24523), (5480, 19511), (7160, 14933)]