30856780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 67527936

約数和(自身を除く): 36671156

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 157, 310, 314, 317, 620, 628, 634, 785, 1268, 1570, 1585, 3140, 3170, 4867, 6340, 9734, 9827, 19468, 19654, 24335, 39308, 48670, 49135, 49769, 97340, 98270, 99538, 196540, 199076, 248845, 497690, 995380, 1542839, 3085678, 6171356, 7714195, 15428390, 30856780]

約数ペア:

[(1, 30856780), (2, 15428390), (4, 7714195), (5, 6171356), (10, 3085678), (20, 1542839), (31, 995380), (62, 497690), (124, 248845), (155, 199076), (157, 196540), (310, 99538), (314, 98270), (317, 97340), (620, 49769), (628, 49135), (634, 48670), (785, 39308), (1268, 24335), (1570, 19654), (1585, 19468), (3140, 9827), (3170, 9734), (4867, 6340)]