2986140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 8440992

約数和(自身を除く): 5454852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 317, 471, 628, 634, 785, 942, 951, 1268, 1570, 1585, 1884, 1902, 2355, 3140, 3170, 3804, 4710, 4755, 6340, 9420, 9510, 19020, 49769, 99538, 149307, 199076, 248845, 298614, 497690, 597228, 746535, 995380, 1493070, 2986140]

約数ペア:

[(1, 2986140), (2, 1493070), (3, 995380), (4, 746535), (5, 597228), (6, 497690), (10, 298614), (12, 248845), (15, 199076), (20, 149307), (30, 99538), (60, 49769), (157, 19020), (314, 9510), (317, 9420), (471, 6340), (628, 4755), (634, 4710), (785, 3804), (942, 3170), (951, 3140), (1268, 2355), (1570, 1902), (1585, 1884)]