185514440

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:594

約数の個数: 64

約数和(自身を含む): 426006000

約数和(自身を除く): 240491560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 137, 194, 274, 349, 388, 485, 548, 685, 698, 776, 970, 1096, 1370, 1396, 1745, 1940, 2740, 2792, 3490, 3880, 5480, 6980, 13289, 13960, 26578, 33853, 47813, 53156, 66445, 67706, 95626, 106312, 132890, 135412, 169265, 191252, 239065, 265780, 270824, 338530, 382504, 478130, 531560, 677060, 956260, 1354120, 1912520, 4637861, 9275722, 18551444, 23189305, 37102888, 46378610, 92757220, 185514440]

約数ペア:

[(1, 185514440), (2, 92757220), (4, 46378610), (5, 37102888), (8, 23189305), (10, 18551444), (20, 9275722), (40, 4637861), (97, 1912520), (137, 1354120), (194, 956260), (274, 677060), (349, 531560), (388, 478130), (485, 382504), (548, 338530), (685, 270824), (698, 265780), (776, 239065), (970, 191252), (1096, 169265), (1370, 135412), (1396, 132890), (1745, 106312), (1940, 95626), (2740, 67706), (2792, 66445), (3490, 53156), (3880, 47813), (5480, 33853), (6980, 26578), (13289, 13960)]