71451800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:370

約数の個数: 144

約数和(自身を含む): 202286160

約数和(自身を除く): 130834360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 35, 40, 46, 49, 50, 56, 70, 92, 98, 100, 115, 140, 161, 175, 184, 196, 200, 230, 245, 280, 317, 322, 350, 392, 460, 490, 575, 634, 644, 700, 805, 920, 980, 1127, 1150, 1225, 1268, 1288, 1400, 1585, 1610, 1960, 2219, 2254, 2300, 2450, 2536, 3170, 3220, 4025, 4438, 4508, 4600, 4900, 5635, 6340, 6440, 7291, 7925, 8050, 8876, 9016, 9800, 11095, 11270, 12680, 14582, 15533, 15850, 16100, 17752, 22190, 22540, 28175, 29164, 31066, 31700, 32200, 36455, 44380, 45080, 51037, 55475, 56350, 58328, 62132, 63400, 72910, 77665, 88760, 102074, 110950, 112700, 124264, 145820, 155330, 182275, 204148, 221900, 225400, 255185, 291640, 310660, 357259, 364550, 388325, 408296, 443800, 510370, 621320, 714518, 729100, 776650, 1020740, 1275925, 1429036, 1458200, 1553300, 1786295, 2041480, 2551850, 2858072, 3106600, 3572590, 5103700, 7145180, 8931475, 10207400, 14290360, 17862950, 35725900, 71451800]

約数ペア:

[(1, 71451800), (2, 35725900), (4, 17862950), (5, 14290360), (7, 10207400), (8, 8931475), (10, 7145180), (14, 5103700), (20, 3572590), (23, 3106600), (25, 2858072), (28, 2551850), (35, 2041480), (40, 1786295), (46, 1553300), (49, 1458200), (50, 1429036), (56, 1275925), (70, 1020740), (92, 776650), (98, 729100), (100, 714518), (115, 621320), (140, 510370), (161, 443800), (175, 408296), (184, 388325), (196, 364550), (200, 357259), (230, 310660), (245, 291640), (280, 255185), (317, 225400), (322, 221900), (350, 204148), (392, 182275), (460, 155330), (490, 145820), (575, 124264), (634, 112700), (644, 110950), (700, 102074), (805, 88760), (920, 77665), (980, 72910), (1127, 63400), (1150, 62132), (1225, 58328), (1268, 56350), (1288, 55475), (1400, 51037), (1585, 45080), (1610, 44380), (1960, 36455), (2219, 32200), (2254, 31700), (2300, 31066), (2450, 29164), (2536, 28175), (3170, 22540), (3220, 22190), (4025, 17752), (4438, 16100), (4508, 15850), (4600, 15533), (4900, 14582), (5635, 12680), (6340, 11270), (6440, 11095), (7291, 9800), (7925, 9016), (8050, 8876)]