195628400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:459

約数の個数: 120

約数和(自身を含む): 517694544

約数和(自身を除く): 322066144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 173, 176, 200, 220, 257, 275, 346, 400, 440, 514, 550, 692, 865, 880, 1028, 1100, 1285, 1384, 1730, 1903, 2056, 2200, 2570, 2768, 2827, 3460, 3806, 4112, 4325, 4400, 5140, 5654, 6425, 6920, 7612, 8650, 9515, 10280, 11308, 12850, 13840, 14135, 15224, 17300, 19030, 20560, 22616, 25700, 28270, 30448, 34600, 38060, 44461, 45232, 47575, 51400, 56540, 69200, 70675, 76120, 88922, 95150, 102800, 113080, 141350, 152240, 177844, 190300, 222305, 226160, 282700, 355688, 380600, 444610, 489071, 565400, 711376, 761200, 889220, 978142, 1111525, 1130800, 1778440, 1956284, 2223050, 2445355, 3556880, 3912568, 4446100, 4890710, 7825136, 8892200, 9781420, 12226775, 17784400, 19562840, 24453550, 39125680, 48907100, 97814200, 195628400]

約数ペア:

[(1, 195628400), (2, 97814200), (4, 48907100), (5, 39125680), (8, 24453550), (10, 19562840), (11, 17784400), (16, 12226775), (20, 9781420), (22, 8892200), (25, 7825136), (40, 4890710), (44, 4446100), (50, 3912568), (55, 3556880), (80, 2445355), (88, 2223050), (100, 1956284), (110, 1778440), (173, 1130800), (176, 1111525), (200, 978142), (220, 889220), (257, 761200), (275, 711376), (346, 565400), (400, 489071), (440, 444610), (514, 380600), (550, 355688), (692, 282700), (865, 226160), (880, 222305), (1028, 190300), (1100, 177844), (1285, 152240), (1384, 141350), (1730, 113080), (1903, 102800), (2056, 95150), (2200, 88922), (2570, 76120), (2768, 70675), (2827, 69200), (3460, 56540), (3806, 51400), (4112, 47575), (4325, 45232), (4400, 44461), (5140, 38060), (5654, 34600), (6425, 30448), (6920, 28270), (7612, 25700), (8650, 22616), (9515, 20560), (10280, 19030), (11308, 17300), (12850, 15224), (13840, 14135)]