1490367088

素因数分解:

$2^4\times 7^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{647}}^1$

素因数の和:950

約数の個数: 80

約数和(自身を含む): 3351642624

約数和(自身を除く): 1861275536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 131, 157, 262, 314, 524, 628, 647, 917, 1048, 1099, 1256, 1294, 1834, 2096, 2198, 2512, 2588, 3668, 4396, 4529, 5176, 7336, 8792, 9058, 10352, 14672, 17584, 18116, 20567, 36232, 41134, 72464, 82268, 84757, 101579, 143969, 164536, 169514, 203158, 287938, 329072, 339028, 406316, 575876, 593299, 678056, 711053, 812632, 1151752, 1186598, 1356112, 1422106, 1625264, 2303504, 2373196, 2844212, 4746392, 5688424, 9492784, 11376848, 13306849, 26613698, 53227396, 93147943, 106454792, 186295886, 212909584, 372591772, 745183544, 1490367088]

約数ペア:

[(1, 1490367088), (2, 745183544), (4, 372591772), (7, 212909584), (8, 186295886), (14, 106454792), (16, 93147943), (28, 53227396), (56, 26613698), (112, 13306849), (131, 11376848), (157, 9492784), (262, 5688424), (314, 4746392), (524, 2844212), (628, 2373196), (647, 2303504), (917, 1625264), (1048, 1422106), (1099, 1356112), (1256, 1186598), (1294, 1151752), (1834, 812632), (2096, 711053), (2198, 678056), (2512, 593299), (2588, 575876), (3668, 406316), (4396, 339028), (4529, 329072), (5176, 287938), (7336, 203158), (8792, 169514), (9058, 164536), (10352, 143969), (14672, 101579), (17584, 84757), (18116, 82268), (20567, 72464), (36232, 41134)]