128115400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{769}}^1$

素因数の和:816

約数の個数: 144

約数和(自身を含む): 367359300

約数和(自身を除く): 239243900

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 25, 28, 34, 35, 40, 49, 50, 56, 68, 70, 85, 98, 100, 119, 136, 140, 170, 175, 196, 200, 238, 245, 280, 340, 350, 392, 425, 476, 490, 595, 680, 700, 769, 833, 850, 952, 980, 1190, 1225, 1400, 1538, 1666, 1700, 1960, 2380, 2450, 2975, 3076, 3332, 3400, 3845, 4165, 4760, 4900, 5383, 5950, 6152, 6664, 7690, 8330, 9800, 10766, 11900, 13073, 15380, 16660, 19225, 20825, 21532, 23800, 26146, 26915, 30760, 33320, 37681, 38450, 41650, 43064, 52292, 53830, 65365, 75362, 76900, 83300, 91511, 104584, 107660, 130730, 134575, 150724, 153800, 166600, 183022, 188405, 215320, 261460, 269150, 301448, 326825, 366044, 376810, 457555, 522920, 538300, 640577, 653650, 732088, 753620, 915110, 942025, 1076600, 1281154, 1307300, 1507240, 1830220, 1884050, 2287775, 2562308, 2614600, 3202885, 3660440, 3768100, 4575550, 5124616, 6405770, 7536200, 9151100, 12811540, 16014425, 18302200, 25623080, 32028850, 64057700, 128115400]

約数ペア:

[(1, 128115400), (2, 64057700), (4, 32028850), (5, 25623080), (7, 18302200), (8, 16014425), (10, 12811540), (14, 9151100), (17, 7536200), (20, 6405770), (25, 5124616), (28, 4575550), (34, 3768100), (35, 3660440), (40, 3202885), (49, 2614600), (50, 2562308), (56, 2287775), (68, 1884050), (70, 1830220), (85, 1507240), (98, 1307300), (100, 1281154), (119, 1076600), (136, 942025), (140, 915110), (170, 753620), (175, 732088), (196, 653650), (200, 640577), (238, 538300), (245, 522920), (280, 457555), (340, 376810), (350, 366044), (392, 326825), (425, 301448), (476, 269150), (490, 261460), (595, 215320), (680, 188405), (700, 183022), (769, 166600), (833, 153800), (850, 150724), (952, 134575), (980, 130730), (1190, 107660), (1225, 104584), (1400, 91511), (1538, 83300), (1666, 76900), (1700, 75362), (1960, 65365), (2380, 53830), (2450, 52292), (2975, 43064), (3076, 41650), (3332, 38450), (3400, 37681), (3845, 33320), (4165, 30760), (4760, 26915), (4900, 26146), (5383, 23800), (5950, 21532), (6152, 20825), (6664, 19225), (7690, 16660), (8330, 15380), (9800, 13073), (10766, 11900)]