17780757890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1061}}^1\times {\mathrm{1487}}^1$

素因数の和:2592

約数の個数: 96

約数和(自身を含む): 38912223744

約数和(自身を除く): 21131465854

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 322, 490, 805, 1061, 1127, 1487, 1610, 2122, 2254, 2974, 5305, 5635, 7427, 7435, 10409, 10610, 11270, 14854, 14870, 20818, 24403, 34201, 37135, 48806, 51989, 52045, 68402, 72863, 74270, 103978, 104090, 122015, 145726, 170821, 171005, 239407, 244030, 259945, 341642, 342010, 364315, 478814, 519890, 728630, 854105, 1195747, 1197035, 1577707, 1675849, 1708210, 2391494, 2394070, 3155414, 3351698, 5978735, 7888535, 8379245, 11043949, 11957470, 15777070, 16758490, 22087898, 36287261, 55219745, 72574522, 77307643, 110439490, 154615286, 181436305, 254010827, 362872610, 386538215, 508021654, 773076430, 1270054135, 1778075789, 2540108270, 3556151578, 8890378945, 17780757890]

約数ペア:

[(1, 17780757890), (2, 8890378945), (5, 3556151578), (7, 2540108270), (10, 1778075789), (14, 1270054135), (23, 773076430), (35, 508021654), (46, 386538215), (49, 362872610), (70, 254010827), (98, 181436305), (115, 154615286), (161, 110439490), (230, 77307643), (245, 72574522), (322, 55219745), (490, 36287261), (805, 22087898), (1061, 16758490), (1127, 15777070), (1487, 11957470), (1610, 11043949), (2122, 8379245), (2254, 7888535), (2974, 5978735), (5305, 3351698), (5635, 3155414), (7427, 2394070), (7435, 2391494), (10409, 1708210), (10610, 1675849), (11270, 1577707), (14854, 1197035), (14870, 1195747), (20818, 854105), (24403, 728630), (34201, 519890), (37135, 478814), (48806, 364315), (51989, 342010), (52045, 341642), (68402, 259945), (72863, 244030), (74270, 239407), (103978, 171005), (104090, 170821), (122015, 145726)]