978142000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:464

約数の個数: 160

約数和(自身を含む): 2605172544

約数和(自身を除く): 1627030544

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 173, 176, 200, 220, 250, 257, 275, 346, 400, 440, 500, 514, 550, 692, 865, 880, 1000, 1028, 1100, 1285, 1375, 1384, 1730, 1903, 2000, 2056, 2200, 2570, 2750, 2768, 2827, 3460, 3806, 4112, 4325, 4400, 5140, 5500, 5654, 6425, 6920, 7612, 8650, 9515, 10280, 11000, 11308, 12850, 13840, 14135, 15224, 17300, 19030, 20560, 21625, 22000, 22616, 25700, 28270, 30448, 32125, 34600, 38060, 43250, 44461, 45232, 47575, 51400, 56540, 64250, 69200, 70675, 76120, 86500, 88922, 95150, 102800, 113080, 128500, 141350, 152240, 173000, 177844, 190300, 222305, 226160, 237875, 257000, 282700, 346000, 353375, 355688, 380600, 444610, 475750, 489071, 514000, 565400, 706750, 711376, 761200, 889220, 951500, 978142, 1111525, 1130800, 1413500, 1778440, 1903000, 1956284, 2223050, 2445355, 2827000, 3556880, 3806000, 3912568, 4446100, 4890710, 5557625, 5654000, 7825136, 8892200, 9781420, 11115250, 12226775, 17784400, 19562840, 22230500, 24453550, 39125680, 44461000, 48907100, 61133875, 88922000, 97814200, 122267750, 195628400, 244535500, 489071000, 978142000]

約数ペア:

[(1, 978142000), (2, 489071000), (4, 244535500), (5, 195628400), (8, 122267750), (10, 97814200), (11, 88922000), (16, 61133875), (20, 48907100), (22, 44461000), (25, 39125680), (40, 24453550), (44, 22230500), (50, 19562840), (55, 17784400), (80, 12226775), (88, 11115250), (100, 9781420), (110, 8892200), (125, 7825136), (173, 5654000), (176, 5557625), (200, 4890710), (220, 4446100), (250, 3912568), (257, 3806000), (275, 3556880), (346, 2827000), (400, 2445355), (440, 2223050), (500, 1956284), (514, 1903000), (550, 1778440), (692, 1413500), (865, 1130800), (880, 1111525), (1000, 978142), (1028, 951500), (1100, 889220), (1285, 761200), (1375, 711376), (1384, 706750), (1730, 565400), (1903, 514000), (2000, 489071), (2056, 475750), (2200, 444610), (2570, 380600), (2750, 355688), (2768, 353375), (2827, 346000), (3460, 282700), (3806, 257000), (4112, 237875), (4325, 226160), (4400, 222305), (5140, 190300), (5500, 177844), (5654, 173000), (6425, 152240), (6920, 141350), (7612, 128500), (8650, 113080), (9515, 102800), (10280, 95150), (11000, 88922), (11308, 86500), (12850, 76120), (13840, 70675), (14135, 69200), (15224, 64250), (17300, 56540), (19030, 51400), (20560, 47575), (21625, 45232), (22000, 44461), (22616, 43250), (25700, 38060), (28270, 34600), (30448, 32125)]