621410080

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{28349}}^1$

素因数の和:28501

約数の個数: 48

約数和(自身を含む): 1478849400

約数和(自身を除く): 857439320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1370, 2192, 2740, 4384, 5480, 10960, 21920, 28349, 56698, 113396, 141745, 226792, 283490, 453584, 566980, 907168, 1133960, 2267920, 3883813, 4535840, 7767626, 15535252, 19419065, 31070504, 38838130, 62141008, 77676260, 124282016, 155352520, 310705040, 621410080]

約数ペア:

[(1, 621410080), (2, 310705040), (4, 155352520), (5, 124282016), (8, 77676260), (10, 62141008), (16, 38838130), (20, 31070504), (32, 19419065), (40, 15535252), (80, 7767626), (137, 4535840), (160, 3883813), (274, 2267920), (548, 1133960), (685, 907168), (1096, 566980), (1370, 453584), (2192, 283490), (2740, 226792), (4384, 141745), (5480, 113396), (10960, 56698), (21920, 28349)]