28268240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1$

素因数の和:397

約数の個数: 160

約数和(自身を含む): 88494336

約数和(自身を除く): 60226096

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 176, 182, 208, 220, 260, 280, 286, 308, 353, 364, 385, 440, 455, 520, 560, 572, 616, 706, 715, 728, 770, 880, 910, 1001, 1040, 1144, 1232, 1412, 1430, 1456, 1540, 1765, 1820, 2002, 2288, 2471, 2824, 2860, 3080, 3530, 3640, 3883, 4004, 4589, 4942, 5005, 5648, 5720, 6160, 7060, 7280, 7766, 8008, 9178, 9884, 10010, 11440, 12355, 14120, 15532, 16016, 18356, 19415, 19768, 20020, 22945, 24710, 27181, 28240, 31064, 32123, 36712, 38830, 39536, 40040, 45890, 49420, 50479, 54362, 62128, 64246, 73424, 77660, 80080, 91780, 98840, 100958, 108724, 128492, 135905, 155320, 160615, 183560, 197680, 201916, 217448, 252395, 256984, 271810, 310640, 321230, 353353, 367120, 403832, 434896, 504790, 513968, 543620, 642460, 706706, 807664, 1009580, 1087240, 1284920, 1413412, 1766765, 2019160, 2174480, 2569840, 2826824, 3533530, 4038320, 5653648, 7067060, 14134120, 28268240]

約数ペア:

[(1, 28268240), (2, 14134120), (4, 7067060), (5, 5653648), (7, 4038320), (8, 3533530), (10, 2826824), (11, 2569840), (13, 2174480), (14, 2019160), (16, 1766765), (20, 1413412), (22, 1284920), (26, 1087240), (28, 1009580), (35, 807664), (40, 706706), (44, 642460), (52, 543620), (55, 513968), (56, 504790), (65, 434896), (70, 403832), (77, 367120), (80, 353353), (88, 321230), (91, 310640), (104, 271810), (110, 256984), (112, 252395), (130, 217448), (140, 201916), (143, 197680), (154, 183560), (176, 160615), (182, 155320), (208, 135905), (220, 128492), (260, 108724), (280, 100958), (286, 98840), (308, 91780), (353, 80080), (364, 77660), (385, 73424), (440, 64246), (455, 62128), (520, 54362), (560, 50479), (572, 49420), (616, 45890), (706, 40040), (715, 39536), (728, 38830), (770, 36712), (880, 32123), (910, 31064), (1001, 28240), (1040, 27181), (1144, 24710), (1232, 22945), (1412, 20020), (1430, 19768), (1456, 19415), (1540, 18356), (1765, 16016), (1820, 15532), (2002, 14120), (2288, 12355), (2471, 11440), (2824, 10010), (2860, 9884), (3080, 9178), (3530, 8008), (3640, 7766), (3883, 7280), (4004, 7060), (4589, 6160), (4942, 5720), (5005, 5648)]