1749275920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{971}}^1\times {\mathrm{3217}}^1$

素因数の和:4208

約数の個数: 80

約数和(自身を含む): 4654309248

約数和(自身を除く): 2905033328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 971, 1942, 3217, 3884, 4855, 6434, 6797, 7768, 9710, 12868, 13594, 15536, 16085, 19420, 22519, 25736, 27188, 32170, 33985, 38840, 45038, 51472, 54376, 64340, 67970, 77680, 90076, 108752, 112595, 128680, 135940, 180152, 225190, 257360, 271880, 360304, 450380, 543760, 900760, 1801520, 3123707, 6247414, 12494828, 15618535, 21865949, 24989656, 31237070, 43731898, 49979312, 62474140, 87463796, 109329745, 124948280, 174927592, 218659490, 249896560, 349855184, 437318980, 874637960, 1749275920]

約数ペア:

[(1, 1749275920), (2, 874637960), (4, 437318980), (5, 349855184), (7, 249896560), (8, 218659490), (10, 174927592), (14, 124948280), (16, 109329745), (20, 87463796), (28, 62474140), (35, 49979312), (40, 43731898), (56, 31237070), (70, 24989656), (80, 21865949), (112, 15618535), (140, 12494828), (280, 6247414), (560, 3123707), (971, 1801520), (1942, 900760), (3217, 543760), (3884, 450380), (4855, 360304), (6434, 271880), (6797, 257360), (7768, 225190), (9710, 180152), (12868, 135940), (13594, 128680), (15536, 112595), (16085, 108752), (19420, 90076), (22519, 77680), (25736, 67970), (27188, 64340), (32170, 54376), (33985, 51472), (38840, 45038)]