401689480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{3187}}^1$

素因数の和:3358

約数の個数: 64

約数和(自身を含む): 950279040

約数和(自身を除く): 548589560

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 137, 184, 230, 274, 460, 548, 685, 920, 1096, 1370, 2740, 3151, 3187, 5480, 6302, 6374, 12604, 12748, 15755, 15935, 25208, 25496, 31510, 31870, 63020, 63740, 73301, 126040, 127480, 146602, 293204, 366505, 436619, 586408, 733010, 873238, 1466020, 1746476, 2183095, 2932040, 3492952, 4366190, 8732380, 10042237, 17464760, 20084474, 40168948, 50211185, 80337896, 100422370, 200844740, 401689480]

約数ペア:

[(1, 401689480), (2, 200844740), (4, 100422370), (5, 80337896), (8, 50211185), (10, 40168948), (20, 20084474), (23, 17464760), (40, 10042237), (46, 8732380), (92, 4366190), (115, 3492952), (137, 2932040), (184, 2183095), (230, 1746476), (274, 1466020), (460, 873238), (548, 733010), (685, 586408), (920, 436619), (1096, 366505), (1370, 293204), (2740, 146602), (3151, 127480), (3187, 126040), (5480, 73301), (6302, 63740), (6374, 63020), (12604, 31870), (12748, 31510), (15755, 25496), (15935, 25208)]