1256553740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1583}}^1$

素因数の和:1719

約数の個数: 96

約数和(自身を含む): 2950649856

約数和(自身を除く): 1694096116

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 71, 86, 130, 142, 172, 215, 260, 284, 355, 430, 559, 710, 860, 923, 1118, 1420, 1583, 1846, 2236, 2795, 3053, 3166, 3692, 4615, 5590, 6106, 6332, 7915, 9230, 11180, 12212, 15265, 15830, 18460, 20579, 30530, 31660, 39689, 41158, 61060, 68069, 79378, 82316, 102895, 112393, 136138, 158756, 198445, 205790, 224786, 272276, 340345, 396890, 411580, 449572, 561965, 680690, 793780, 884897, 1123930, 1361380, 1461109, 1769794, 2247860, 2922218, 3539588, 4424485, 4832899, 5844436, 7305545, 8848970, 9665798, 14611090, 17697940, 19331596, 24164495, 29222180, 48328990, 62827687, 96657980, 125655374, 251310748, 314138435, 628276870, 1256553740]

約数ペア:

[(1, 1256553740), (2, 628276870), (4, 314138435), (5, 251310748), (10, 125655374), (13, 96657980), (20, 62827687), (26, 48328990), (43, 29222180), (52, 24164495), (65, 19331596), (71, 17697940), (86, 14611090), (130, 9665798), (142, 8848970), (172, 7305545), (215, 5844436), (260, 4832899), (284, 4424485), (355, 3539588), (430, 2922218), (559, 2247860), (710, 1769794), (860, 1461109), (923, 1361380), (1118, 1123930), (1420, 884897), (1583, 793780), (1846, 680690), (2236, 561965), (2795, 449572), (3053, 411580), (3166, 396890), (3692, 340345), (4615, 272276), (5590, 224786), (6106, 205790), (6332, 198445), (7915, 158756), (9230, 136138), (11180, 112393), (12212, 102895), (15265, 82316), (15830, 79378), (18460, 68069), (20579, 61060), (30530, 41158), (31660, 39689)]