256428408

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{1741}}^1$

素因数の和:1805

約数の個数: 96

約数和(自身を含む): 716798160

約数和(自身を除く): 460369752

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 19, 24, 34, 38, 51, 57, 68, 76, 102, 114, 136, 152, 204, 228, 323, 361, 408, 456, 646, 722, 969, 1083, 1292, 1444, 1741, 1938, 2166, 2584, 2888, 3482, 3876, 4332, 5223, 6137, 6964, 7752, 8664, 10446, 12274, 13928, 18411, 20892, 24548, 29597, 33079, 36822, 41784, 49096, 59194, 66158, 73644, 88791, 99237, 118388, 132316, 147288, 177582, 198474, 236776, 264632, 355164, 396948, 562343, 628501, 710328, 793896, 1124686, 1257002, 1687029, 1885503, 2249372, 2514004, 3374058, 3771006, 4498744, 5028008, 6748116, 7542012, 10684517, 13496232, 15084024, 21369034, 32053551, 42738068, 64107102, 85476136, 128214204, 256428408]

約数ペア:

[(1, 256428408), (2, 128214204), (3, 85476136), (4, 64107102), (6, 42738068), (8, 32053551), (12, 21369034), (17, 15084024), (19, 13496232), (24, 10684517), (34, 7542012), (38, 6748116), (51, 5028008), (57, 4498744), (68, 3771006), (76, 3374058), (102, 2514004), (114, 2249372), (136, 1885503), (152, 1687029), (204, 1257002), (228, 1124686), (323, 793896), (361, 710328), (408, 628501), (456, 562343), (646, 396948), (722, 355164), (969, 264632), (1083, 236776), (1292, 198474), (1444, 177582), (1741, 147288), (1938, 132316), (2166, 118388), (2584, 99237), (2888, 88791), (3482, 73644), (3876, 66158), (4332, 59194), (5223, 49096), (6137, 41784), (6964, 36822), (7752, 33079), (8664, 29597), (10446, 24548), (12274, 20892), (13928, 18411)]