201392740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{2371}}^1$

素因数の和:2548

約数の個数: 48

約数和(自身を含む): 439939584

約数和(自身を除く): 238546844

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 137, 155, 274, 310, 548, 620, 685, 1370, 2371, 2740, 4247, 4742, 8494, 9484, 11855, 16988, 21235, 23710, 42470, 47420, 73501, 84940, 147002, 294004, 324827, 367505, 649654, 735010, 1299308, 1470020, 1624135, 3248270, 6496540, 10069637, 20139274, 40278548, 50348185, 100696370, 201392740]

約数ペア:

[(1, 201392740), (2, 100696370), (4, 50348185), (5, 40278548), (10, 20139274), (20, 10069637), (31, 6496540), (62, 3248270), (124, 1624135), (137, 1470020), (155, 1299308), (274, 735010), (310, 649654), (548, 367505), (620, 324827), (685, 294004), (1370, 147002), (2371, 84940), (2740, 73501), (4247, 47420), (4742, 42470), (8494, 23710), (9484, 21235), (11855, 16988)]