813260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 2017344

約数和(自身を除く): 1204084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 157, 185, 259, 314, 370, 518, 628, 740, 785, 1036, 1099, 1295, 1570, 2198, 2590, 3140, 4396, 5180, 5495, 5809, 10990, 11618, 21980, 23236, 29045, 40663, 58090, 81326, 116180, 162652, 203315, 406630, 813260]

約数ペア:

[(1, 813260), (2, 406630), (4, 203315), (5, 162652), (7, 116180), (10, 81326), (14, 58090), (20, 40663), (28, 29045), (35, 23236), (37, 21980), (70, 11618), (74, 10990), (140, 5809), (148, 5495), (157, 5180), (185, 4396), (259, 3140), (314, 2590), (370, 2198), (518, 1570), (628, 1295), (740, 1099), (785, 1036)]