78240008

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{809}}^1$

素因数の和:990

約数の個数: 64

約数和(自身を含む): 184291200

約数和(自身を除く): 106051192

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 157, 308, 314, 616, 628, 809, 1099, 1256, 1618, 1727, 2198, 3236, 3454, 4396, 5663, 6472, 6908, 8792, 8899, 11326, 12089, 13816, 17798, 22652, 24178, 35596, 45304, 48356, 62293, 71192, 96712, 124586, 127013, 249172, 254026, 498344, 508052, 889091, 1016104, 1397143, 1778182, 2794286, 3556364, 5588572, 7112728, 9780001, 11177144, 19560002, 39120004, 78240008]

約数ペア:

[(1, 78240008), (2, 39120004), (4, 19560002), (7, 11177144), (8, 9780001), (11, 7112728), (14, 5588572), (22, 3556364), (28, 2794286), (44, 1778182), (56, 1397143), (77, 1016104), (88, 889091), (154, 508052), (157, 498344), (308, 254026), (314, 249172), (616, 127013), (628, 124586), (809, 96712), (1099, 71192), (1256, 62293), (1618, 48356), (1727, 45304), (2198, 35596), (3236, 24178), (3454, 22652), (4396, 17798), (5663, 13816), (6472, 12089), (6908, 11326), (8792, 8899)]