201041720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1$

素因数の和:345

約数の個数: 128

約数和(自身を含む): 518581440

約数和(自身を除く): 317539720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 53, 55, 74, 88, 106, 110, 148, 185, 212, 220, 233, 265, 296, 370, 407, 424, 440, 466, 530, 583, 740, 814, 932, 1060, 1165, 1166, 1480, 1628, 1864, 1961, 2035, 2120, 2330, 2332, 2563, 2915, 3256, 3922, 4070, 4660, 4664, 5126, 5830, 7844, 8140, 8621, 9320, 9805, 10252, 11660, 12349, 12815, 15688, 16280, 17242, 19610, 20504, 21571, 23320, 24698, 25630, 34484, 39220, 43105, 43142, 49396, 51260, 61745, 68968, 78440, 86210, 86284, 94831, 98792, 102520, 107855, 123490, 135839, 172420, 172568, 189662, 215710, 246980, 271678, 344840, 379324, 431420, 456913, 474155, 493960, 543356, 679195, 758648, 862840, 913826, 948310, 1086712, 1358390, 1827652, 1896620, 2284565, 2716780, 3655304, 3793240, 4569130, 5026043, 5433560, 9138260, 10052086, 18276520, 20104172, 25130215, 40208344, 50260430, 100520860, 201041720]

約数ペア:

[(1, 201041720), (2, 100520860), (4, 50260430), (5, 40208344), (8, 25130215), (10, 20104172), (11, 18276520), (20, 10052086), (22, 9138260), (37, 5433560), (40, 5026043), (44, 4569130), (53, 3793240), (55, 3655304), (74, 2716780), (88, 2284565), (106, 1896620), (110, 1827652), (148, 1358390), (185, 1086712), (212, 948310), (220, 913826), (233, 862840), (265, 758648), (296, 679195), (370, 543356), (407, 493960), (424, 474155), (440, 456913), (466, 431420), (530, 379324), (583, 344840), (740, 271678), (814, 246980), (932, 215710), (1060, 189662), (1165, 172568), (1166, 172420), (1480, 135839), (1628, 123490), (1864, 107855), (1961, 102520), (2035, 98792), (2120, 94831), (2330, 86284), (2332, 86210), (2563, 78440), (2915, 68968), (3256, 61745), (3922, 51260), (4070, 49396), (4660, 43142), (4664, 43105), (5126, 39220), (5830, 34484), (7844, 25630), (8140, 24698), (8621, 23320), (9320, 21571), (9805, 20504), (10252, 19610), (11660, 17242), (12349, 16280), (12815, 15688)]