281093860

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1\times {\mathrm{593}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 599051376

約数和(自身を除く): 317957516

約数列:

[1, 2, 4, 5, 10, 20, 137, 173, 274, 346, 548, 593, 685, 692, 865, 1186, 1370, 1730, 2372, 2740, 2965, 3460, 5930, 11860, 23701, 47402, 81241, 94804, 102589, 118505, 162482, 205178, 237010, 324964, 406205, 410356, 474020, 512945, 812410, 1025890, 1624820, 2051780, 14054693, 28109386, 56218772, 70273465, 140546930, 281093860]

約数ペア:

[(1, 281093860), (2, 140546930), (4, 70273465), (5, 56218772), (10, 28109386), (20, 14054693), (137, 2051780), (173, 1624820), (274, 1025890), (346, 812410), (548, 512945), (593, 474020), (685, 410356), (692, 406205), (865, 324964), (1186, 237010), (1370, 205178), (1730, 162482), (2372, 118505), (2740, 102589), (2965, 94804), (3460, 81241), (5930, 47402), (11860, 23701)]